ray-finned fish

[ rey-find ]

noun

1. any of various bony fishes of the subclass Actinopterygii, having strong slender rays, excluding the coelacanth and lungfish.

ray-finned fish

1. Any of various bony fishes belonging to the subclass Actinopterygii, having fins supported by thin bony rays. Ray-finned fish evolved in the early Devonian Period and include most species of fish today.
2. Also called actinopterygian
3. Compare lobe-finned fish

Example Sentences

However, the Aqp10.2 found in ray-finned fish may have reduced or lost urea and boric acid permeability during evolution.

From Science Daily

Today’s oceans are mostly populated with species from another group that originated about 420 million years ago: the ray-finned fish, so named because their fins are supported by slender spines.

From Science Magazine

The researchers also sequenced the bichir, an elongated, air-breathing, ray-finned fish that lives in the shallows of tropical African rivers, as well as the American paddlefish, the bowfin, and the alligator gar.

From Science Magazine

Finding all those genes in both lobe-finned and ray-finned fish means those genetic pathways must have been present in their common ancestor, some 425 million years ago.

From Science Magazine

The ray-finned fish can hold on tight to anything: boat hulls, jumping dolphins, even human divers.

From Science Magazine