Definition of chondrichthyan
- One quarter of all the world's cartilaginous fish species—known as chondrichthyans—are now threatened, reports a study published Tuesday in the journal eLife.
- —Fabien Tepper, Christian Science Monitor, 23 Jan. 2014
- Sharks, rays, and their less numerous kin the chimaeras, or ratfishes, are characterized by skeletons composed of cartilage rather than solid bone. (Collectively, they are known as chondrichthyans; bony fishes are the osteichthyans.)
- —John G. Maisey, Natural History, June 1998
chondrichthyanor less commonly chondrichthian adjective
- chondrichthyan fishes