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Issue: Vol. 4221 No. 3: 18 Jan. 2017
Type: Article
Published: 2017-01-17
DOI: 10.11646/zootaxa.4221.3.8
Page range: 393–400
Abstract views: 132
PDF downloaded: 1

Gobiesox lanceolatus, a new species of clingfish (Teleostei:  Gobiesocidae) from Los Frailes submarine canyon, Gulf of California, Mexico

Marine Biology Research Division, Scripps Institution of Oceanography, University of California San Diego, 9500 Gilman Dr., La Jolla, CA 92093–0208, U.S.A.
Department of Wildlife and Fisheries Sciences and Biodiversity Research and Teaching Collections, Texas A&M University, 210 Nagle Hall, 2258 TAMU, College Station, TX 77843, U.S.A
Pisces deep water depth records Soucoupe diving saucer

Abstract

Gobiesox lanceolatus is described from a single specimen collected from 300 meters depth in the Los Frailes submarine canyon in the southwestern Gulf of California. The "Canyon Clingfish" is unique within Gobiesox in having a lanceolate caudal fin, with the central rays longer than those above and below them. It is also distinguished by 14 dorsal-fin rays (first tiny and unsegmented), 11 anal-fin rays, 28 pectoral-fin rays, anus slightly closer to anal-fin origin than to posterior margin of pelvic disc, and dorsal-fin origin in front of vertical from anus. It is most similar to Gobiesox eugrammus, known from Isla Guadelupe, the coast of outer Baja California and southern California. This is the deepest record for a species of Gobiesox and only four other species of clingfishes are known from greater depths.

 

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