fish genus - any of various genus of fish

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 gray 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-gray shark; nearly worldwide in tropical and temperate waters