Hippoglossina oblonga
No common name
Collection Details
Specimens
Photos
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Records
Taxonomic Hierarchy
Actinopterygii (Ray-finned Fishes)
Pleuronectfiormes (Flatfishes)
Paralichthyidae (Sand Flounders)
Hippoglossina
Hippoglossina oblonga
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
Relatively elongate and oval in profile, with large eyes, lateral line strongly arched over pectoral fin base. Eyes close set and separated by a narrow interorbital ridge, lower eye directly below upper eye. Maxilla extends to posterior margin of pupil of lower eye. Mandible symmetrical, jaw teeth symmetrically arranged in jaws. Teeth caninelike, larger anteriorly than posteriorly, and arranged in a single row. Gill rakers on first arch moderately long and stout, 3-6 on upper limb and 7-10 on lower limb. Measurements (% SL): head length 24%-27%, snout length 5%-6%, orbit diameter 5%-7%, upper jaw length 11%-12%, ocular-side pectoral fin length 13%-15%, body depth 38%-44%. Pectoral fin on ocular side has 10-12 rays. Dorsal fin has 71-86 rays, with anteriormost ray elongated and only basally connected to fin membrane. Pelvic fin bases symmetrical. Anal fin has 58-72 rays. Lateral line scales number 63-95. Scales cycloid and deciduous on both sides. Vertebrae number 41 or 42: 11 precaudal and 30-31 caudal.
Ocular side brown with four ocelli arranged in a trapezoid pattern. Anterior pair of ocelli located on either side of lateral line just posterior to midlength, and posterior pair located on either side of lateral line just anterior to caudal peduncle. Blind side white.
Distribution
Western Atlantic from Georges Bank to the Dry Tortugas
Known only from the Dry Tortugas in the Gulf of Mexico
Habitat Associations
Occurs from 27 to about 400 m in the northern part of its range, and as deep as 274 m in the southern part of its range
Biology
Maximum known size is about 450 mm TL
Occurs in bays and sounds in the north range; in progressively deeper water to 275 m or more off Florida, USA.
Reproductive mode: dioecism; fertilization: external; nonguarders (open water/substratum egg scatterers); parental care: none. Distinct pairing (Ref. 205).
IUCN Red List Status: Least Concern (LC), assessed 2013-01-29. Resilience: Medium (Preliminary K or Fecundity.).
Commercial or Environmental Importance
Fisheries: commercial.
References
Ginsburg 1952b
Gutherz 1967
Robins and Ray 1986
Murdy et al. 1997
Klein-MacPhee 2002b
Munroe 2002c
Breder, C.M. and D.E. Rosen (1966) Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p.
Scott, W.B. and M.G. Scott (1988) Atlantic fishes of Canada. Can. Bull. Fish. Aquat. Sci. 219:731 p.
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.
Langton, R.W. and R.E. Bowman (1981) Food of eight Northwest Atlantic Pleuronectiform Fishes. NOAA Technical Report NMFS SSRF-749, U.S. Department of Commerce.
Bowman, R.E., C.E. Stillwell, W.L. Michaels and M.D. Grosslein (2000) Food of northwest Atlantic fishes and two common species of squid. NOAA Tech. Memo. NMFS-NE 155, 138 p.
Wigley, S.E., H.M. McBride and N.J. McHugh (2003) Length-weight relationships for 74 fish species collected during NEFSC research vessel bottom trawl surveys, 1992-99. NOAA Tech. Memo. NMFS-NE-171. 26 p.
Patzner, R.A. (2008) Reproductive strategies of fish. pp. 311-350. In Rocha, M.J., A. Arukwe and B.G. Kapoor (eds). Fish reproduction: cytology, biology and ecology. Science Publisher, Inc. Oxford. 631 p.
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