One Spine on the Ventral Fin of a Bony Fish

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“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 ventral fin of the acanthopterygian fish.

Keywords

fish, fishes, ray, sharp, ventral fin, spinous, fins, rays, Bony fish, Fin Ray, acanthopterygian, soft ray, fin spine

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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