(n) largest family of living sharks; found worldwide especially in tropical waters; dorsal fin lacks spines: requiem sharks including tiger sharks and soupfin sharks, Syn. family Carcharhinidae
[ツバクロザメぞく, tsubakurozame zoku] (n) Isogomphodon (genus of requiem shark in the family Carcharhinidae with one extant species known as the daggernose shark)