thresher shark

(redirected from Alopiid)
Also found in: Thesaurus, Encyclopedia.

thresher shark

n.
Any of various large sharks of the genus Alopias, especially A. vulpinus of warm and temperate waters worldwide, having a tail with a long whiplike upper lobe with which it strikes the surface of the water.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thresher shark - large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feedthresher shark - large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed
shark - any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales
Alopius, genus Alopius - type genus of the family Alopiidae; in some classifications considered a genus of the family Lamnidae
References in periodicals archive ?
Few studies on the age and growth of alopiid sharks exist, and of these the majority of studies have focused on the Pacific Ocean (bigeye thresher: Liu et al.
All thresher sharks possess an elongated upper caudal lobe, and the bigeye thresher shark is distinguished from the other alopiid sharks by its large upward-looking eyes and grooves on the top of the head (Bigelow and Schroeder, 1948).
The anatomy of alopiid sharks suggests that endothermy may occur in this family.