As we walk to the edge of a stream, a stickleback freezes, then darts away in a series of rapid zig-zags punctuated by brief pauses. |
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Examples include the red markings of salmon, stickleback, and guppies, in addition to many birds. |
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Small flatties also proved entertaining, and when a small reef was found, I noted a 15-spined stickleback in some weed. |
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The three-spine stickleback is a fish known for its tremendous variability in size, physiology, and behavior. |
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Nine thousand young stickleback, roach, dace, chub and eels died along an 11 km stretch of the beck. |
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In the open water, long spines help protect the stickleback from being swallowed by large predators. |
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Sixty years ago the great ethologist Niko Tinbergen noticed a stickleback fish aggressively displaying toward the window of his fish tank. |
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All else being equal, this suggests there may be sufficient habitat in Misty Lake to support about 20,000 stickleback. |
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The benthic Enos Lake stickleback is restricted to a small lake on Vancouver Island, British Columbia. |
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The limnetic Enos Lake stickleback has adapted in many ways to equip itself for life close to the water's surface. |
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Describe at least one food and one habitat requirements for each of the benthic and limnetic stickleback. |
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The two forms of stickleback co-occur in the transition areas between the lake and stream, especially during the breeding season. |
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The precise needs of species pairs are unknown, but are not believed to be outside the limits of other stickleback species. |
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Swimming and hiding amongst the underwater jungle of plants, the stickleback stalks its prey of aquatic insects, snails and worms. |
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In British Columbia, three-spined stickleback are found in most coastal lakes and streams. |
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Another fish that prefers these shallow, warmwater lakes is the brook stickleback. |
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For example, the marine stickleback fish adapted from the ocean to fresh water lakes and streams thousands of years ago. |
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Caligus clemensi: infecting a wide variety of finfish, including salmon, herring, and stickleback. |
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Some fish, such as brook stickleback, may spend their entire lives in a wetland. |
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Most fish species in the boreal region are small, like minnows and stickleback. |
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This disturbance would reduce the reproductive success of stickleback by interfering with the visual clues used when spawning. |
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Many of these are small isolated populations that are found only in Canada, such as the six populations of stickleback in British Columbia. |
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Although most species of stickleback can adapt to salt, brackish, or fresh water, unarmored threespine sticklebacks appear to be limited to fresh water. |
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We used virtual stickleback males that differed either in red throat coloration, courtship intensity, body size, or in combinations of these traits. |
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Make a big deal of the last stickleback. This game simulates the situation at Hadley Lake situation where the stickleback are made extinct. |
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A kingfisher, an airborne jewel, whirrs past, stickleback in its beak, and disappears into a thicket of riparian willow. |
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Urban and industrial development likely affects the stickleback population as well-as might the introduction of non-native fish such as catfish and pumpkinseeds. |
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The benthic Paxton Lake stickleback is unusual in that some members of the species possess complete pelvic girdles while others lack them entirely. |
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Up to nine centimeters in length when fully mature, the benthic Paxton Lake stickleback is a lean fish with an elongated body that tapers to a slender tail. |
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The benthic Paxton Lake stickleback eats benthos, a group of organisms such as amphipods, midge larvae and ostracods that live on or in the bottom sediments of rivers and lakes. |
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Instead, Dr Couzin has built a biddable robot three-spined stickleback. |
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The major threat to the benthic Paxton Lake stickleback probably comes from the introduction of non-native fish species such as catfish and pumpkinseeds. |
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A glacial lake set among ancient limestone pastures and upland hill farms, it is home to rare plants and animals including stonewort, sheltering pea mussels and the three-spined stickleback. |
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During the reproductive season, male sticklebacks become territorial and defend a portion of the streambed against other intruding stickleback males. |
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Even if she does not go to the hideous expense of nurturing a single offspring in her womb for nine months but, like a stickleback, simply lays her eggs in a nest prepared by a male, she still has to produce those eggs. |
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A sick stickleback cannot make as much of it as a healthy one. |
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The stickleback spawn in these shallow areas, using bits of vegetation to construct tiny nests attached to the stems of submerged grasses and reeds. |
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Stickleback species, particularly Gasterosteus aculeatus and Pungitius pungitius, also occur in many coastal drainages, and are likely present in freshwater as well. |
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