Definition of perciform in English:


Line breaks: perci|form
Pronunciation: /ˈpəːsɪfɔːm


  • Relating to fishes of an order (Perciformes) that comprises those resembling the perches. This is the largest vertebrate order and includes nearly half of all bony fishes.
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    • More derived taxa commonly possess fins located higher on the body, near the center of mass of the animal, with more vertically oriented insertions (e.g., perciform fishes).
    • We expect pectoral-fin base orientation to show a more direct relationship to turning performance in taxa with similar body forms (e.g., short-bodied perciform fishes).
    • For perciform fishes, the pectoral fin and tail are known to play important roles in propulsion and there is now a substantial literature on the function of these fins.


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  • A perciform fish.
    More example sentences
    • Among basal taxa, for instance, Polypterus exhibits nearly vertically inclined pectoral fins; among perciforms, some labroid fishes show more horizontal fin bases.
    • Primers designed to amplify and sequence the same genes of perciforms were useful in the present study.


late 19th century: from modern Latin Perciformes (plural), from Latin perca 'perch' + forma 'shape'.

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