pectoral fin


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Related to pectoral fin: pelvic fin

pectoral fin

n.
Either of the anterior pair of fins attached to the pectoral girdle of fishes, corresponding to the forelimbs of other vertebrates.

pectoral fin

n
(Zoology) either of a pair of fins, situated just behind the head in fishes, that help to control the direction of movement during locomotion

pec′toral fin′


n.
(in fishes) either of a pair of fins usu. situated behind the head, one on each side, and corresponding to the forelimbs of higher vertebrates.
[1760–70]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pectoral fin - either of a pair of fins situated just behind the head in fishes that help control the direction of movementpectoral fin - either of a pair of fins situated just behind the head in fishes that help control the direction of movement
fin - organ of locomotion and balance in fishes and some other aquatic animals
Translations
rintaevä

pectoral fin

nBrustflosse f
References in periodicals archive ?
She said that the whale moved to keep her from a nearby shark, by nudging her with its head, tucking her under its giant pectoral fin and even lifting her out of the water at one point.
Pectoral fin length/body length, head length/body length, and the total number of gill rakers were used to identify the samples as Liza affinis (Fig.
The distal part of these cartilages articulate with the pectoral fin radials, and the proximal part articulate with the synarcual (fusion of the first vertebrae).
Aussie Terry Selwood, 73, was left with a badly bruised and bleeding right arm after the 9ft shark struck him with a pectoral fin as it landed on him on the 15ft boat.
and the pectoral fin of the shark hit me on the forearm and knocked me down on the ground to my hands and knees," Selwood told the Australian Broadcasting Corp (ABC) on Monday.
We collected pectoral fin spines, vertebrae, and dorsal fin spines to estimate the fish's age.
Early in the preflexion stage, melanophores occur on the distal ~50-60% of the pectoral fin but they become more concentrated near the margin with development and are only on the distal 10-20% of the fin during the postflexion stage.
Moving one pectoral fin forward at a time, they trudge along the sea bottom in warm waters worldwide.
One Canestrini scale was formed as an outgrowth of the second pectoral fin ray in males.
Recently, a humpback whale was spotted flapping its distinctive pectoral fin as boatmen nearby filmed the amazing animal.
11-12), and the tip of the pectoral fin reaching the 3rd to 4th anal-fin ray (vs.
01 mm): total length (TL), standard length, head length (HL--distance from the tip of the snout to the operculum margin), predorsal length (to the anterior base of the dorsal fin), preanal length (to the anterior base of the anal fin), trunk length (distance between the operculum and the anterior base of the anal fin), tail length (distance between the anus and the tip of the notochord), caudal peduncle height (distance between the anterior base of the anal fin and the base of the dorsal fin), snout length (from the tip of the snout to the eye), posterior snout width (before the eyes), eye diameter, pectoral fin and pelvic fin lengths (distance between the anterior base and the fin margin), head width (behind the eyes), height at the pectorals, and preanal and postanal regions (Figure 1).