What's the noun for flukish? Here's the word you're looking for.
fluke
Either of the two lobes of a whale's or similar creature's tail.
(nautical) Any of the triangular blades at the end of an anchor, designed to catch the ground.
A metal hook on the head of certain staffweapons (such as a bill), made in various forms depending on function, whether used for grappling or to penetrate armour when swung at an opponent.
In general, a winglike formation on a central piece.
“Oxyclozanide is a safe and effective flukicide administered to cattle, buffaloes, sheep and goats for the treatment and control of fascioliasis and paramphistomiasis.”