Crowds of people and predators greet the arrival of many fish spawning runs. |
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The hardest part of drum fishing during the spring spawning run is getting the right bait. |
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Once one oyster begins spawning, the others, stimulated by the hormones released, also spawn. |
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Powerful local families or sheiks took their place, setting up their own militias and spawning inter-tribal feuds. |
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Like queen bees, these cells replenish our blood supply, spawning millions of red cells, white cells, and platelets. |
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One goal was to return fish to traditional spawning grounds in the upper reaches of the Clearwater tributaries, strengthening natural fish runs. |
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When spawning, wrasses gather in loose aggregations where one dominant male oversees many females within a general territory. |
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Adults return to inlets adjacent to bays and estuaries for spawning, and eggs are swept into nursery habitats presumably by tidal action. |
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Interruption or handling, even during spawning, prevents the discharge of eggs or milt. |
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The mineralized water in salmon spawning grounds allows the fish to grow faster and healthier than those in non-karst streams. |
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Artificial credit expansion credit not funded by savings creates the business cycle by spawning capital malinvestment. |
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While the Corps issues the permits, the state regulates when the work can be done in accordance with fish migration and spawning seasons. |
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This is when the fish leave their reef lairs and congregate by the thousands on traditional spawning banks to the seaward side of the reef. |
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Standing water from the flooding can attract mosquitoes, spawning outbreaks of malaria and dengue fever. |
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Roach are beginning to show in numbers as they begin to shoal prior to spawning. |
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Fish will often be shoaled up tight at the start of the season around the spawning grounds. |
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To scientists, that's as bizarre a finding as a queen bee spawning a colony of ants. |
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The second run of salmon occurs in the Autumn just prior to spawning in November and December. |
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The white bass are on their annual spawning migration out of torpid Toledo Bend and into the living, breathing Sabine River. |
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Many streams serve as spawning, nursery, and juvenile habitat for arctic grayling. |
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They do this around spawning time, when they have developed big kypes, the hooked portion of the lower jaw. |
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The actual courtship and spawning are not at all violent or rough compared to some other labyrinth fish. |
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If allis shad were presently spawning in the area then they would likely be similarly vulnerable. |
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During the spawning season, male bitterling establish small territories around mussels and court females. |
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We found that parental males keep track of how many sneaker males they see loitering near their nests during spawning time. |
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On many Western rivers, dams have already severely curtailed wild spawning runs. |
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They may be found in monogamous pairs, small foraging units, harems, or enormous spawning or feeding groups. |
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Marine species such as striped bass, shad and alewife utilize estuarine wetlands for spawning and then return to the ocean. |
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And on top of that, he added, the three-week season of high water when he is on the river doesn't conflict with spawning season. |
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They are more gregarious during the spawning season when they congregate in large groups. |
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After a long dry spring spawning was completed early by most river fish and bream, barbel and chub should all be fighting fit. |
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Many hydrozoan species perform large vertical diel migrations, which may bring individuals together in spawning aggregations. |
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This is an important spawning and nursery ground for many important pelagic fishes such as clupeoids, horse mackerel, scomber and saury. |
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Once spawning began, a large enclosure was constructed across the mouth of the bay containing the colony. |
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It may be best to remove the floating plants to an incubatory tank at the conclusion of the spawning ritual. |
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For the most part cryptically marked bottom feeders, many clinids change color near spawning time. |
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Their coloration and daily spawning make them a favorite among divers visiting the Caribbean. |
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Concrete bunds turn the water sterile and leave no room for natural, vegetated spawning banks. |
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Ablation of one eyestalk is generally practised in all commercial prawn hatcheries to induce gonad matura-tion and spawning. |
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Further evidence that the several instances of beach spawning in fishes arose by different mechanisms comes from puffers and sticklebacks. |
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It is also a spawning and rearing habitat for three threatened salmon species, steelhead and cut-throat trout. |
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The agency is also looking at installing a fish pass at Farington Weir to help the fish reach spawning ground upstream. |
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What is indisputable is that they were colossally influential, spawning generations of writers desperate to mimic them. |
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Like the freshwater eel, congers undergo considerable morphological changes prior to spawning. |
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The final stages of gametogenic development, spawning activity, and major shell growth also take place during this low-salinity period. |
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Along with the grunion, these are the only marine fish known to fully emerge from water solely for the purpose of spawning. |
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This small, aggressive fish congregates around the gwyniad spawning areas and eats the eggs and young fish. |
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The common Japanese conger is an anguilliform species that migrates for spawning. |
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They're right posh, and spawning, but people don't go onto Parkinson to be treated like disobedient children. |
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As a result of this success, additional spawning substrate will be placed at suitable locations in the Elk River in the near future. |
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The females enter the spawning bays a few days later and spawning normally occurs around dawn and dusk. |
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When the females arrive they rest up in deeper water until conditions are perfect for spawning. |
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We can't mine anywhere near, nor discharge anything into salmon spawning streams. |
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On Aug.13, Hurricane Charley roared in from the Gulf of Mexico, bringing winds of 140 miles per hour and spawning tornadoes. |
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I assumed that females spawn once per day for 3 days, which is close to the observed duration of spawning by female sockeye salmon. |
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He pointed out that 100 tonnes of diesel is now being released in a relatively shallow area which is also a major spawning area for pilchards. |
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Males compete to fertilize eggs, and a week or two after spawning adults of both sexes die. |
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They also eat other small aquatic creatures, including fish eggs and very small fish, and will feed at salmon spawning areas. |
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Each run of Pacific chinook, coho, sockeye, pink, and chum salmon knows how to survive in a specific spawning stream. |
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Kitchen restorations are a boom industry, and are spawning a new breed of specialists. |
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Nowlan's comic strip was widely popular, running for decades and spawning a host of imitators. |
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Male behavior was recorded for 30 min by using a VHS video recorder on day 2 after spawning. |
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Well I have given the blue acaras away and didn't take any pics of them spawning to send you. |
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There is a cherished notion of insights shared at the coffee bar or water cooler spawning new technologies, marketing campaigns or simply great ideas. |
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But the film has achieved a kind of cult status, spawning two direct-to-DVD sequels and an upcoming Spider-Man-like reboot. |
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Taking their name from the gods of Afro-Cuban religion, this group is changing the way that Cubans express themselves in music, and spawning a lot of copycats in the process. |
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I mean, can you imagine Blazing Saddles being released today without it spawning multiple lawsuits and a trillion thinkpieces? |
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Bad farming practices, soil erosion, water abstraction, and the building of dam walls that prevent its upstream spawning migration are just some of the threats it faces. |
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Apart from 10-million baht damage to farm property, he said he had lost 2,000 spawning females capable of producing 200 million baby shrimps a month. |
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Straith said the creek is a habitat for coho and chum salmon, and both species had been observed spawning in the creek two months prior to the incident. |
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Christina Aguilera flubbed the lyrics of the national anthem, spawning a public uproar. |
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Females leave the spawning area a few days after depositing their eggs. |
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The building of dams along the rivers has impacted the populations of white sturgeons by creating landlocked populations and destroying spawning grounds. |
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If oil entered the lagoons, damage to fish spawning grounds, wildfowl habitat and local commercial and subsistence enterprises could be, literally, incalculable. |
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Low flows have made it more and more difficult for coarse fish such as chub and dace to make their way to their customary spawning grounds in the Kyle. |
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During the courtship, which can last up to several hours, the male vibrates and crosses in front of the female, while the female is preparing for spawning by digging the redd. |
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Salmon reproduction was also hampered by the removal of spawning gravel from the streams in the 1950's, which was used for road surfacing or ballast. |
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The female rests after spawning and then repeats the operation, creating a new redd, depositing more eggs, and resting again until spawning is complete. |
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Gulls wheeled and screamed over the first slug of spawning candlefish. |
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A similar set of tradeoffs may explain why surf smelt, which spawn in fine gravel, can spawn successfully lower in the intertidal zone than grunion, spawning in sand. |
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It is not known in detail to what extent grayling move around in a river system, though some believe that they follow salmon upriver during spawning to feed on their eggs. |
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One clever sea lion found his way into one of the dam's fish ladders, which allow salmon to bypass the dam's power station on their way to spawning grounds upriver. |
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Smith circles his themes with the obsessive dolor of a man lamenting a lost opportunity, spawning gorgeous, tangential what-ifs and could've beens. |
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In many northeastem waters, rainbow smelt is taken by dip netters during their spawning runs and is commonly used for bait by anglers fishing for trout and salmon. |
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In the case of fisheries, vessels chasing rockfish should not destroy halibut, and boats seeking shrimp should not degrade the spawning stock of redfish. |
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But contemporary classical music has changed, and the field is now spawning many appealing and genre-bending works. |
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Cambridge has a long and valiant history in spawning rocket scientists, as well as a track record in trying to turn their ideas into viable products and businesses. |
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In August and September, the Dolly Vardens follow the spawning salmon into the freshwater rivers, feeding on salmon eggs and hapless salmon fingerlings. |
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The original game had a so-called 'co-operative' mode that was nothing more than spawning human players in one area and having them defeat wave upon wave of aliens. |
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In the sea pansy, Renilla koellikeri, serotonin can stimulate rhythmic muscular contraction and spawning, and melatonin can inhibit these contractions. |
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Additional evidence for a role for estrogen in anthozoan reproduction comes from measurements of estrogen release into seawater prior to or during spawning events. |
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These in turn provide fertile spawning grounds for crabs, shrimps, scallops, cod, plaice, bass, sole and herring, and so are vital to maintaining fisheries. |
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The only negative thing I can say about this song is that it might have the unfortunate side effect of spawning a league of yelling-guy-with-drums imitators. |
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Since amphibious animals are the main nutrition of local grass snakes, their spawning waters and land habitats form an important part of grass snake habitats. |
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The plan was to float into stretches of river where silver salmon were spawning and attracting bears. |
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The team was on the Foundation's Global Reef Expedition to film marbled grouper spawning. |
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The event is inspired by the spawning grunions that swim ashore annually, creating an iridescent glimmer in the sand. |
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They often stay together in schools and may migrate large distances between spawning grounds and feeding grounds. |
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Specifically, this is done through the provision of artificial spawning substrata for the commercially valuable fish pike-perch in Parnu Bay. |
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In this sense, in relation to habitat preference for spawning in octopods, Alejo-Plata et al. |
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Most of these artificial spawning substrata consist of linen gillnets of small mesh size. |
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Growth, gonadal development and spawning time of Atlantic cod reared under different photoperiods. |
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After spawning, the herrings are depleted in fat, and migrate back to feeding grounds rich in plankton. |
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Epipelagic fish generally move long distances between feeding and spawning areas, or as a response to changes in the ocean. |
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Members of the Alosa genus, including the American shad and Twaite shad, demonstrate heterochronal spawning. |
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Another group also stayed mainly in the western Atlantic, but migrated to the Gulf of Mexico for spawning. |
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The fourth group crossed to the eastern Atlantic and then moved into the Mediterranean Sea for spawning. |
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Plankton in spawning regions are full of eggs and larvae from the end of June into September. |
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The location of the spawning ground for European eels remained unknown for decades. |
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The evolution of gonochorism is linked to group spawning high amounts of habitat cover. |
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Silt can smother the spawning beds of fish, by filling in the space between gravel on the stream bed. |
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In the early 1900s, Danish researcher Johannes Schmidt identified the Sargasso Sea as the most likely spawning grounds for European eels. |
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In this note we describe the re-formation of a spawning aggregation of mutton snapper. |
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The spawning season for salmon and sewin peaks between November and January and it is vital these fish are allowed to spawn safely. |
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The spawning migration starts from north of Iceland in December to January. |
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They reproduce by spawning and their main spawning season occurs in spring, but can extend into the summer. |
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During spawning season in spring and early summer, the female digs redds in the gravel streambed and deposits her eggs. |
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Once the females are mature, they will migrate to the spawning grounds and spawn. |
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The periodicity of spawning by the grunion, Leuresthes tenuis, an atherine fish. |
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The life history ofLeuresthes tenuis, an atherine fish with tide controlled spawning habits. |
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The researchers focused on Atlantic herring off Georges Bank near Boston during the fall spawning season. |
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The Libertines have a lot to answer for, spawning bands such as The Kooks who jump around and shout a lot. |
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The males do not leave the spawning grounds and will potentially spawn more than once throughout the season. |
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Male capelin are considered to be semelparous because they die soon after the spawning season is over. |
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Little is known about their breeding except their spawning is seasonal, although its timing varies somewhat with location. |
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In the eastern Atlantic, spawning occurs chiefly in March, April and May, although may span from January to June. |
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During the spawning event, appropriate sperm-to-egg ratios were observed to prevent polyspermy and potential abnormal larval development. |
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Off the American coast, however, the spawning season appears to continue through the summer as late as September. |
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Semelparity and microcohorts spawning throughout the year in different regions are important components of their life strategy. |
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Additionally, chum salmon are semelparous and cease feeding activity before the initiation of upriver migration for spawning. |
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Larger fish act as scouts and lead the shoal's direction, particularly during post spawning migrations inshore for feeding. |
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The Environment Agency now uses oak, salmon ladders to help migrating fish to reach their spawning pools. |
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Spatial and temporal use of spawning aggregation sites by the tropical sciaenid Protonibea diacanthus. |
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Oysters are plumper and sweeter in the winter months, turning milkier in the spring when they start spawning. |
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Eel is a catadromous species that grows in freshwater and migrates back to the sea for spawning. |
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Life histories of two species of catostomid fishes in Sixteenmile Lake, British Columbia, with particular reference to inlet stream spawning. |
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Evidence suggests male sound production and other sexually selected characteristics allow female cod to actively choose a spawning partner. |
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Geographic population structure and species differences in mitochondrial DNA of mouthbrooding marine catfishes and demersal spawning toadfishes. |
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By summer, the young cod reach the Barents Sea, where they stay for the rest of their lives, until their spawning migration. |
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The collection of existing information and field investigation of anadromous clupeid spawning in New Jersey. |
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A shrimpy looking, light, weedless fly like the Puglisi spawning shrimp was the most effective. |
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Since 2000, the spawning stock has increased quite quickly, helped by low fishing pressure. |
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The role of the salmon spirit guided the people to respect ecological systems such as the rivers and tributaries the salmon used for spawning. |
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Char do not die after spawning like Pacific salmon and often spawn several times throughout their lives, typically every second or third year. |
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Female specimens have been observed to be ripe from February until end of May, when most are spawning. |
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After spawning, the hake eggs float on the surface of the sea where the larvae develop. |
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In warmer climates, the combined effects of recovery from moulting and ovary maturation mean that spawning can become delayed. |
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In most species, spawning is controlled by light, so the entire population spawns at about the same time of day, often at either dusk or dawn. |
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They are covered with a mixture of gravel, sand, and mud, and the trenches are used by fish as spawning grounds. |
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Some of these movements have a common lineage, sometimes directly spawning individual denominations. |
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Not only is Afrocentrism spawning grotesque maleducation, multiculturalism is exacerbating racial hostilities, undoing earlier racial progress. |
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Because of the lack of floods, spawning channels must sometimes be cleaned out to remove accumulated sediment. |
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Some stocks migrate in large schools along the coast to suitable spawning grounds, where they spawn in fairly shallow waters. |
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After spawning they return the way they came, in smaller schools, to suitable feeding grounds often near an area of upwelling. |
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Temporal spawning patterns of several surgeonfishes and wrasses in American Samoa. |
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Avoiding fishing in spawning grounds may allow fish stocks to rebuild by giving adults a chance to reproduce. |
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Despite their normally solitary habits, Brown bears will gather rather closely in numbers at good spawning sites. |
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The courtship rituals are performed throughout the day and night but spawning typically takes place at night. |
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Hogfish are broadcast spawners, a characteristic that facilitates dispersal of the propagules away from the spawning site. |
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Both group spawning and habitat cover increase the likelihood of a smaller male to reproduce in the presence of large males. |
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Other specific impacts are on animal mating, spawning, egg and larvae viability, juvenile survival and plant productivity. |
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Feeding activity decreases or stops during the winter, and food intake ceases as eels physiologically prepare for the spawning migration. |
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Cod are gregarious and form schools, although shoaling tends to be a feature of the spawning season. |
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The male inverts himself beneath the female, and the pair swim in circles while spawning. |
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The most important spawning grounds are in the waters off middle Norway, near southwest Iceland, and Georges Bank. |
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This triggers spawning in the rest, clouding the water with millions of eggs and sperm. |
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To prevent spawning, sterile oysters are now cultured by crossbreeding tetraploid and diploid oysters. |
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The Pacific oyster prospered in Pendrell Sound, where the surface water is typically warm enough for spawning in the summer. |
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Ruffe will leave the deep dark water where they prefer and journey to warmer shallow water for spawning. |
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Seamounts provide habitats and spawning grounds for these larger animals, including numerous fish. |
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Induced spawning by hormone-operation, egg-development and larva of blind gobioid fish, Odontamblyopus rubicundus. |
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The primary spawning season for the ruffe occurs from the middle of April through approximately June. |
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Testes size in Leptodactylid frogs and occurrence of multimale spawning in the genus Leptodactylus in Brazil. |
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Duration of spawning season ranged from 2 months to 7-10 months for White Croaker, a Pacific species. |
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Also, eroded spots were evident where the male claspers attached to the opisthosoma during spawning. |
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Being catadromous, the eels's reproductivity success depends heavily on free downstream passage for spawning migration. |
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This slope and its surrounding seamounts are the spawning ground for sardine, anchovy, and horse mackerel. |
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Eddies help transport water inshore and link the spawning habitat with important nursery areas. |
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The map also includes spawning locations of two important species offish, lake trout and yellow perch. |
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A female chinook salmon digs her redd, or nest, prior to spawning in Oregon's John Day River. |
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In all species of Pacific salmon, the mature individuals die within a few days or weeks of spawning, a trait known as semelparity. |
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Like salmon, the adults stop feeding and die after spawning, and their decomposing bodies release nutrients into the stream. |
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In the Henneguya case, the spores enter a second host, most likely an invertebrate, in the spawning stream. |
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Bon Jovi's 1995 album These Days was a bigger hit in Europe than it was in the United States, spawning four Top 10 singles on the UK Singles Chart. |
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Halfbeaks were sampled aboard commercial fishing vessels, and during fishery-independent trips, to determine spatial and temporal spawning patterns of both species. |
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In late 2011, the Occupy Wall Street protest took place in the United States, spawning several offshoots that came to be known as the Occupy movement. |
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In addition, the processing method just described was used to examine beach spawning by Pacific sand lance opportunistically at study sites during the peak spawning period. |
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When spawning, a female produces from 20,000 to 50,000 eggs. |
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These antics hit the British funny bone, and Blobbymania swept the scepter'd isle, spawning more than 250 Blobby products ranging from dolls to clothing to lunch boxes. |
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However this polycyclic pattern was in contrast with the normal pattern observed for the northern population, in which spawning is complete and nonrepetitive. |
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It is known that populations in the mouth of the Indus River migrate to the sea from April through October to feed on the annual spawning of prawns. |
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Prior to spawning, depending on the species, salmon undergo changes. |
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The eel lives in fresh water and estuaries and only leaves these habitats to enter the Atlantic Ocean to start its spawning migration to the Sargasso Sea. |
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Fishing seasons are enforced to maintain ecological balance and to protect species of fish during their spawning period during which they are easier to catch. |
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Among the stages of the trip are swim-up fry, stream predators, Wooley Creek Refuge, a smolt in the estuary, shark strike, salmon trollers, homing, and spawning. |
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The parasite is then carried in the salmon until the next spawning cycle. |
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It most certainly did, spawning Yes Man, the best-selling book about his experiences and now inspiring a fictionalised comedy starring Jim Carrey. |
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The males migrate directly to the shallow water of fjords, where spawning will take place, while the females remain in deeper water until they are completely mature. |
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The spawning time of sea scallops varies latitudinally across its range, which extends from the Strait of Belle Isle, Newfoundland, to Cape Hatteras, North Carolina. |
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First, when farmed geoducks are in proximity to wild geoduck aggregations, spawning may be synchronized, with subsequent gametic interaction occurring. |
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In response to this problem, Bonneville and some of the other Columbia dams have installed fish ladders so spawning salmon can swim past the man-made obstructions. |
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Intriguingly, the gravitational interaction of NGC 6872 and IC 4970 may have done the opposite, spawning what may develop into a new small galaxy. |
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After spawning, both sexes migrate northwards in search of food. |
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The Norwegian coastal waters are the most important spawning ground of the herring populations of the North Atlantic, and the hatching occurs in March. |
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We would fish the lake for trout, wall-eye and bass but would sometimes go to Alpena and fish for the schnook salmon that were spawning there in September. |
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Body size and reproductive allocation in a multiple spawning centrarchid. |
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Increasing the spawning stock biomass to a target level is the approach taken by managers to restore an overfished population to sustainable levels. |
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In parts of Britain and Ireland, on the other hand, finnock may return to the river after only a few months at sea, with some maturing and spawning the same year. |
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An alternative method to hatcheries is to use spawning channels. |
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Even in the coastal ranges of the Pacific, a diverse omnivorous diet is eaten, with the salmon spawning reliably providing food only in late summer and early fall. |
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Here are the spawning grounds for blue warehou, and a diversity of habitats and marine flora and fauna with seal and seabird feeding rounds and seabird breeding. |
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Catostomid spawning migrations and late-summer fish assemblages in Lower Muddy Creek, an intermittent watershed in southern Carbon County, Wyoming. |
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Like estuaries, mangrove swamps are extremely important breeding grounds for many fish, with species such as snappers, halfbeaks, and tarpon spawning or maturing among them. |
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The most dense spawning periods are in December and January. |
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They're also a fine place to watch boats being raised as they pass from Puget Sound to Lake Washington, or salmon as they migrate up the fish ladder to their spawning ground. |
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However, the published literature does not provide strong support for a correlation between spawning of most lutjanid species and any single lunar phase. |
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On Page 6, molecular biology writer Tina Hesman Saey reports that a marine worm's newly discovered biological clock uses moonlight to time its monthly spawning. |
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After the female capelins have spawned, they immediately leave the spawning grounds and will potentially spawn again in the following years if they survive. |
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Young sardine and anchovy congregate along the west coast between March and September before they migrate to their spawning grounds on the Agulhas Bank. |
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