square-tail
/ˈskweəteɪl/noun
1- a fish of warm seas which has a slender cylindrical body and long tail, the base of which is square in cross section方尾鱼, 方尾鲳。
1.1
- Family Tetragonuridae and genus Tetragonurus: several species.方尾鱼科, 方尾鱼属：数种。