棘鳍总目的鱼一般背鳍或腹鳍具有几根鳍棘或弱棘。大致有如下类别：

Acanthopterygii (meaning "spiny finned one") is a superorder of bony fishes in the class Actinopterygii. Members of this superorder are also known as the ray-finned fishes for the characteristic sharp, bony rays in their fins; however this name is also often given to the class Actinopterygii as a whole.