Share this entry

ray-finned fish Line breaks: ray-finned fish

Definition of ray-finned fish in English:


A fish of a large group having thin fins strengthened by slender rays, including all bony fishes apart from the coelacanth and lungfishes. Compare with lobe-finned fish, teleost.
Example sentences
  • This mounted skeleton of the common perch shows several characteristics of ray-finned fish.
  • While everyone knows that fish live in water and breathe through gills, the simile ‘like a fish out of water’ does not always apply to ray-finned fish.
  • Gliding is actually common among vertebrates; several reptiles, mammals, and even ray-finned fish have evolved gliding.

Definition of ray-finned fish in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day innocuous
Pronunciation: iˈnäkyo͞oəs
not harmful or offensive