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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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rintaevä

pectoral fin

nBrustflosse f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in classic literature ?
This latter movement is effected solely by the aid of the pectoral fins; the tail being collapsed, and not used.
rohita were significantly different; the fork length, dorsal, caudal and pelvic fin lengths were highly significantly different; while in case of total length and pectoral fin length there was non significant difference among the sites (Table I).
3A), but depressed fin pale yellow with oblique rows of dark pigment; adipose fin pale with at least one dark marking dorsally; pectoral fin pale with approximately 6 wavy, irregular bars of dark brown pigment; pelvic fins bright yellow; anal fin yellow; center of caudal fin (at anterior end of fork) and posterior portion of ventral caudal lobe dark gray to brown; dorsal caudal lobe pale with light, dusky pigment on posterior margin; dorsal caudal lobe with 2-3 small brown bars on procurrent rays.
PEC FIN: When you're fishing herrings or pilchards on one spot without much water movement, hook the bait through the soft pocket behind the pectoral fin. Hold the bait upside down and insert the hook a little behind and slightly above the base of the pec fin.
Pectoral fin in females reaching to middle of pelvic fin; pectoral fin rays 14 to 16 (mode 15).
Pectoral fin length is taken from the tip of the longest ray to the base of this ray.
The body measurements in millimeters of the two specimens are as follows: total length (TL) (862 and 995); distance from tip of snout to: origin of anal fin (425 and 428), anus (418 and 422), origin of dorsal fin (152 and 155), axilla of pectoral fin (114 and 115), and gill opening (102 and 101); maximum head width (42.4 and 43.7), maximum head depth (44.7 and 42.0), width of mouth (32.7 and 35.7), maxillar length (53.6 and 52.8), mandible length (52.1 and 52.4), snout length (15.4 and 13.9), maximum interorbital width (13.2 and 14.4), minimum interorbital width (11.2 and 10.7), horizontal ocular diameter (8.8 and 9.3), distance from tip of snout to anterior (10.7 and 9.8) and posterior nostril (12.8 and 10.9), and internostril space (2.7 and 2.3).
The genus is diagnosed in having an interrupted post-labial fold, broad isthmus, gill openings not extending ventrally onto undersurface of head, 14-16 branched pectoral-fin rays, lower lip not connected to the base of the maxillary barbel by a skin flap, sulcus between the lip and the barbel, homodont dentition, teeth pointed, coni-form in both jaws, premaxillary tooth patches contacting each other but not confluent, not extended posterolaterally, laterally blunt; dilator operculi muscle and levator opercula muscle contacting each other, broad anterior end of sternohyoideus muscle, its width almost equal to the width in the axilla of the pectoral fin, adductor pelvicalis superficialis muscle not contacting its antimere at the midline (Zhou et al.
Along with a dark ocellus and the blue on the pectoral fin, this individual had faint banding on the sides a pattern often seen in this species (Humann and DeLoach 2004, Robertson and Allen 2015, Froese and Pauly 2017).