Sentence Examples with the word caudal fin

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

The variety most highly prized has an extremely short snout, eyes which almost wholly project beyond the orbit, no dorsal fin, and a very long threeor four-lobed caudal fin (Telescope-fish).

The dorsal crest is continued round both extremities, becoming expanded to form the rostral fin in front and the caudal fin behind.

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This type of caudal fin must be regarded as secondary, the Gadidae being, no doubt, derived from fishes in which the homocercal fin of the typical Teleostean had been lost.