Three Spines on the Anal Fin of a Bony Fish

“A fin-spine; one of the unjointed and unbranched sharp bony rays of the fins, such as those the presence of which gives name to the acanthopterygian fishes; a spinous fin-ray, as distinguished for a soft ray.”

Illustration of the anal fin of the acanthopterygian fish.

Keywords

ray, spinous, fins, rays, Bony fish, Fin, Fin Ray, anal fin, acanthopterygian, soft ray, bony rays

Galleries

Fish Anatomy, Fish: A-B

Source

William Dwight Whitney, PhD, LLD The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1895) 5835

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