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Meaning of caudal keel | Babel Free

Noun CEFR B2

Definitions

A lateral ridge found just anterior to each side of the tail fin on the caudal peduncle of some types of fast-swimming fish. The keels improve the stability of the fish's attitude at speed in the water, and strengthen the support of the caudal fin.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

caudal peduncle caudality caudalization caudaside caudatan caudate

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