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dorsal fin
(redirected from Dorsal fin ray)

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dorsal fin [′dȯr·səl ′fin]
(vertebrate zoology)
A median longitudinal vertical fin on the dorsal aspect of a fish or other aquatic vertebrate.
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Characteristics useful for separating larval and juvenile finescale menhaden from gulf menhaden included 1) the presence or absence of pigment at the base of the insertion of the pelvic fins; 2) the standard length at which medial predorsal pigment occurs; 3) differences in the number of dorsal fin ray elements; and, 4) the number of vertebrae.
Descriptions of larval, prejuvenile, and juvenile finescale menhaden ... by Tolan, James M.; Newstead, David A. / Fishery Bulletin
Dorsal fin rays 8-9; anal fin rays 11-12; caudal fin rays 30-31; pectoral fin rays 13; pelvic fin rays 6.
Redescription of Kryptolebias ocellatus (Hensel) and K. ... by Costa, Wilson J.E.M. / Aqua: journal of ichthyology & aquatic biology
Fork lengths were measured (nearest mm) and dorsal fin rays were sampled during the creel survey program.
The validity of the fin-ray method of age determination for lingcod ... by McFarlane, Gordon A.; King, Jacquelynne R. / Fishery Bulletin
 
 
 
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