Bollmannia communis
Ragged Goby
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Perciformes (Perciformes, Also Called the Acanthopteri)
Gobiidae (Gobies)
Bollmannia
Bollmannia communis (Ragged Goby)
Description
This species account was compiled from
Composite (multiple sources) (McEachran, J.D. and J.D. Fechhelm. Fishes of the Gulf of Mexico. University of Texas Press, Austin.)
and processed using AI-assisted text extraction.
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Characters
Head moderately elevated and convex, moderately compressed. Mouth terminal and moderately oblique. Rostral frenum absent. Jaw teeth in two rows, outer row enlarged and caninelike. Gill opening extends ventrally the length of pectoral fin base. Measurements (% SL): head length 29.1%–31.8%, snout length 5.8%–6.7%, eye diameter 7.6%–8.2%, interorbital width 1%–1.9%, pre-dorsal-fin length 32.1%–35.8%, pelvic fin length 24.3%–27.6%, caudal fin length 32.7%–61.1%, body depth 20.3%–23.4%. Pectoral fin rays 21-23. First dorsal fin VII spines, second dorsal fin I spine and 13-15 (usually 14) rays. Pelvic fins united by membrane to form disc, with frenum uniting spines. Anal fin I spine and 12-14 (usually 13) rays. Caudal fin lanceolate. Body, including chest, covered with large deciduous scales; scales also on top of head, nape, upper operculum, and upper cheek posterior to eye. Vertebrae 27: 11 precaudal and 16 caudal.
Pale brown, darker dorsally than ventrally, with narrow white stripes. Black blotch on spiny dorsal fin. Iris dark. Males have greatly elongated second dorsal, anal, and caudal fins, and first dorsal fin has a black band above blotch.
Distribution
Western Atlantic from southern Florida and the Gulf of Mexico
Throughout the Gulf of Mexico within its depth range
Habitat Associations
Between 10 and 70 m depth
Biology
Maximum known size is 100 mm TL
Inhabits muddy bottoms at depths ranging from 10-120 meters (Ref. 92840).
IUCN Red List Status: Least Concern (LC), assessed 2014-01-09. Resilience: High (Preliminary K or Fecundity.).
References
Ginsburg 1942
Robins and Ray 1986
Boschung 1992
Schaldach et al. 1997
Smith 1997
Castro-Aguirre et al. 1999
Murdy and Hoese 2002b
Robins, C.R. and G.C. Ray (1986) A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p.
Patzner, R.A., J.L. Van Tassell, M. Kovačić and B.G. Kapoor (2011) The biology of gobies. Enfield, NH : Science Publishers ; Boca Raton, FL : DIstributed by CRC Press, 685 p.
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