Caudal-keel Definition

noun

(ichthyology) A lateral ridge found just forward of the tail fin on the caudal peduncle of some types of fast-swimming fish, that provides stability and support to the caudal fin.

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Other Word Forms of Caudal-keel

Noun

Singular:
caudal-keel
Plural:
caudal-keels

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caudal-keel