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(Animals) any shark of the family Carcharhinidae, occurring mostly in tropical seas and characterized by a nictitating membrane and a heterocercal tail. The family includes the tiger shark and the soupfin
[C17: French requiem probably assimilated from a native name]
any of numerous, chiefly tropical sharks of the family Carcharhinidae, including the tiger shark and soupfin shark.
[1895–1900; by folk etym. < French requin shark]
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|Noun||1.||requiem shark - any of numerous sharks from small relatively harmless bottom-dwellers to large dangerous oceanic and coastal species|
shark - any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales
Carcharhinidae, family Carcharhinidae - largest family of living sharks; found worldwide especially in tropical waters; dorsal fin lacks spines: requiem sharks including tiger sharks and soupfin sharks
bull shark, Carcharhinus leucas, cub shark - a most common shark in temperate and tropical coastal waters worldwide; heavy-bodied and dangerous
Carcharhinus plumbeus, sandbar shark - most common grey shark along coasts of middle Atlantic states; sluggish and occasionally caught by fishermen
blacktip shark, Carcharhinus limbatus, sandbar shark - widely distributed shallow-water shark with fins seemingly dipped in ink
Carcharinus longimanus, oceanic whitetip shark, white-tipped shark, whitetip shark - large deep-water shark with white-tipped dorsal fin; worldwide distribution; most dangerous shark
Carcharhinus obscurus, dusky shark - relatively slender blue-grey shark; nearly worldwide in tropical and temperate waters
lemon shark, Negaprion brevirostris - common shallow-water schooling shark of the Atlantic from North Carolina to Brazil and off west Africa; dangerous
blue shark, great blue shark, Prionace glauca - slender cosmopolitan, pelagic shark; blue body shades to white belly; dangerous especially during maritime disasters