definitions
  • synonyms

lobe-finned fish

[ lohb-find ]
/ ˈloʊbˌfɪnd /

noun

any fish that has rounded scales and lobed fins, as the coelacanth.

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Nearby words

lobby, lobbygow, lobbying, lobbyist, lobe, lobe-finned fish, lobectomy, lobed, lobefin, lobelia, lobelia family
Also called lobe·fin.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Science definitions for lobe-finned fish

lobe-finned fish


Any of various fishes of the class Sarcopterygii, having paired fins that are rounded and fleshy, suggesting limbs. One group of lobe-finned fish are thought to be ancestors of amphibians and other land-dwelling vertebrate animals. They first appeared in the Devonian Period and are extinct except for the coelacanth and lungfish. Also called sarcopterygian Compare ray-finned fish. See also crossopterygian.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.