cartilaginous fish
noun
1- a fish of a class distinguished by having a skeleton of cartilage rather than bone, including the sharks, rays, and chimaeras软骨鱼。比较BONY FISH.
1.1
- Class Chondrichthyes: subclasses Elasmobranchii (sharks and rays) and Hoplocephali (chimaeras).软骨鱼纲：板鳃亚纲（鲨鱼和鳐）及全头亚纲（银鲛）。