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pectoral fin
(redirected from Pectoral fins)

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pectoral fin
either of a pair of fins, situated just behind the head in fishes, that help to control the direction of movement during locomotion
pectoral fin [′pek·tə·rəl ′fin]
(vertebrate zoology)
One of the pair of fins of fishes corresponding to forelimbs of a quadruped.
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They also slap their long pectoral fins onto the water.
Epic humpback whale battle filmed by BBC crew by Asian News International
To our delight, just as we crossed into the Atlantic, humpback whales convened all around us, breaching, flapping their gigantic white pectoral fins.
What a scene in tuna pursuit by Telegram & Gazette (Worcester, MA)
2): Overall yellow except caudal fin abruptly white; upper third of body grading to brown and scales on lower two-thirds of side with narrow brown margins; dorsal fin brown on basal half, yellow on outer portion, except distal half of soft dorsal fin translucent; anal and pectoral fins yellow; pectoral fins translucent yellowish, the upper edge of its base brown, small blackish blotch covering anal opening.
Two new species of damselfishes (Pomacentridae: Chromis) from ... by Allen, Gerald R.; Erdmann, Mark V. / aqua: International Journal of Ichthyology
 
 
 
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