PECTORAL FIN Definition & Meaning

pectoral fin

(in fishes) either of a pair of fins usually situated behind the head, one on each side, and corresponding to the forelimbs of higher vertebrates.

pectoral fin

either of a pair of fins, situated just behind the head in fishes, that help to control the direction of movement during locomotion

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First recorded in 1760–70

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Examples have not been reviewed.

Her giant head and white pectoral fins - fringed with barnacles - are visible as she slowly floats beneath us.

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UC Riverside researchers discovered that some sharks responded to the heat with elongated pectoral fins.

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Fossils were meticulously prepared to remove the surrounding matrix of rock and expose the skull, shoulder girdle and pectoral fins.

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But on Thursday, the whale breached for about 40 minutes, also performing several pectoral fin slaps and dives.

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Their pectoral fins are the largest of any whale, nearly a third as long as their body.

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