adipose fin

noun

1. a small, fleshy fin, usually lacking rays, behind the main dorsal fin in trouts, catfishes, and other bony fishes.

adipose fin

noun

1. a posterior dorsal fin occurring in some fish, such as those of the salmon and catfish families

Example Sentences

There are also three beautiful red spots on the adipose fin.

From Project Gutenberg

Towards the tail, and some distance from it, was an adipose fin, that was at least a foot high and fifteen feet long.

From Project Gutenberg

This is known as the adipose fin, being formed of fatty substance covered by skin.

From Project Gutenberg

In a few catfishes, this adipose fin develops a spine or soft rays.

From Project Gutenberg