caudal keels

A form of caudal keel — 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.

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Meanings

noun
  1. pluralplural of caudal keel
Cite this entry
APA

caudal keels. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/caudal%20keels

MLA

“caudal keels.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/caudal%20keels. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “caudal keels,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/caudal%20keels.

Source: caudal keels on Wiktionary, CC BY-SA 4.0.