Sentence examples for caudal fin from inspiring English sources

The tail is prehensile and lacks a caudal fin.

The backbone extends through the forked caudal fin as a long central filament.

By contrast, most bony fish possess a homocercal caudal fin.

The tips of the second dorsal fin, upper caudal fin lobe, and sometimes the lower caudal fin lobe, are dark.

The tips of the first dorsal fin and upper caudal fin lobe, and sometimes also the second dorsal fin and lower caudal fin lobe, are bright white.

About half of its length consists of the elongated upper lobe of its caudal fin.

The short, thick caudal peduncle lacks notches at the caudal fin origins.

The caudal peduncle bears a crescent-shaped notch at the upper origin of the caudal fin.

The second dorsal fin is located midway between the first dorsal and the caudal fin.

At the end of the tail is a very short, deep, leaf-shaped caudal fin.

Adults also develop recurved thorns along the upper margin of the caudal fin.