caudal peduncle

noun

The narrow part of a fish's body to which the caudal or tail fin is attached. Its proportions, such as the length and breadth, and attached organs, such as spines of surgeonfishes or caudal keels and finlets of Scombridae often are important in descriptions of fish species.

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Meanings

nouncaudal peduncle (plural caudal peduncles)

plural caudal peduncles

  1. biologyThe narrow part of a fish's body to which the caudal or tail fin is attached. Its proportions, such as the length and breadth, and attached organs, such as spines of surgeonfishes or caudal keels and finlets of Scombridae often are important in descriptions of fish species.

Translations

Finnish pyrstönvarsi
  • pyrstönvarsipart of a fish's body
French pédoncule caudal
  • pédoncule caudalpart of a fish's body
Cite this entry
APA

caudal peduncle. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/caudal%20peduncle

MLA

“caudal peduncle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/caudal%20peduncle. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “caudal peduncle,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/caudal%20peduncle.

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