caudal fin

noun

1. the terminal vertical fin of a fish.

caudal fin

noun

1. the tail fin of fishes and some other aquatic vertebrates, used for propulsion during locomotion

Example Sentences

Head, about one-fourth of the whole length from the snout to the base of the caudal fin, varying much with age and size.

From Project Gutenberg

The snout reached to the top of the guide's head, while the caudal fin dragged on the ground.

From Project Gutenberg

The caudal fin is crescent-shaped, strengthened at the base by two short ridges on each side.

From Project Gutenberg

In this family the tail is stout, with two-rayed dorsal fins and sometimes a caudal fin.

From Project Gutenberg

The genus Urolophus has a rounded disk, and a stout, short tail with a caudal fin.

From Project Gutenberg