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pelvic fin
(redirected from pelvic fins)

   Also found in: Encyclopedia 0.01 sec.
pelvic fin
n.
Either of a pair of lateral hind fins of fishes, attached to the pelvic girdle and corresponding to the hind limbs of higher vertebrates.

pelvic fin
n
(Life Sciences & Allied Applications / Zoology) either of a pair of fins attached to the pelvic girdle of fishes that help to control the direction of movement during locomotion
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.pelvic fin - either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movementpelvic fin - either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement; correspond to hind limbs of a land vertebrate
fin - organ of locomotion and balance in fishes and some other aquatic animals


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1): Overall yellowish tan grading to brown on upper third of head and body; scaly sheath on basal half of spinous dorsal fin brown, the brown colouration also extending to base of soft dorsal fin, which is otherwise pale tan; caudal fin pale tan; anal fin mainly pale tan, except light brown on basal portion; pectoral and pelvic fins yellowish tan, pectoral-fin base with small brown spot on upper edge; small blackish blotch covering anal opening.
Pelvic fins extending about 50-90% of distance from pelvic-fin base to anal-fin origin, falling well short of vent, ray length 19.
43), melanophores concentrated on margins of unpaired and pelvic fins in female (111.
 
 
 
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