caudal peduncle
Noun
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Noun
caudal peduncle (plural caudal peduncles)
- (ichthyology) 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.
- French: pédoncule caudal
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