lobe-finned fish

American  

[lohb-find] / ˈloʊbˌfɪnd /

noun

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

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lobe-finned fish Scientific  

1. 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.

2. Also called sarcopterygian

3. Compare ray-finned fish See also crossopterygian

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Example Sentences

These intriguing results indicate that water, glycerol, urea, and boric acid permeabilities are plesiomorphic features of Aqp10 water channels in all tetrapods and lobe-finned fish.

From Science Daily

About 400 million years ago, they diverged from the line of lobe-finned fish that gave rise to tetrapods 30 million years later.

From Science Magazine

It suggests that, contrary to Johanson's argument, the radials of lungfish and other lobe-finned fish are not all equivalent to digits.

From Scientific American

Such a bottleneck occurred around the origin of lobe-finned fish.

From Scientific American

Unlike amphibians and lobe-finned fish, amniotes aren't anchored to water by the need to lay their eggs there.

From Washington Post