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Citharichthys fragilis Gilbert, 1890
GULF SANDDAB
Life   Vertebrata   Fish   Paralichthyidae   Citharichthys

Citharichthys fragilis
www.fao.org Copyright Michel Lamboeuf · 0
Citharichthys fragilis

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Overview
Main identification features
  • elongate; head less than 30 percent sl
  • grey-brown, few blue spots
  • lower gill rakers: 17-19
  • pectoral =3/4 head
  • dorsal fin has 80-88 rays anal fin has 67-70 rays
Eyes on left side; elongate; head length <30% of standard length; bony ridge over lower eye; mouth medium length (upper jaw 31-44% of head length), ends under lower eye; teeth ~equally developed on both sides of jaws, in 1 series on each jaw, no canines; base of eye-side pelvic on midline of body; urinary papilla on blind side, immediately behind anus; eye-side lateral line ~straight, from edge of opercle to tail base; gill rakers long, slender, 17-19 on lower arm of 1st arch; 80-88 dorsal rays; 67-70 anal rays; pectoral long, ~75% of head length; lateral line 44-50 scales.

Eye-side brown, body and fins mottled with dark brown, with a few bluish spots; blind-side uniform pale.

Size: 22 cm.

Habitat: sandy bottoms.

Depth: 20-350 m.

California to Baja and to the upper Gulf of California.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: North Temperate (Californian Province &/or Northern Gulf of California); Northern Subtropical (Cortez Province + Sinaloan Gap).
Depth Range Max: 350 m.
Depth Range Min: 20 m.
Diet: mobile benthic crustacea (shrimps/crabs); mobile benthic worms; bony fishes.
Eastern Pacific Range: Northern limit=33; Southern limit=24; Western limit=-118; Eastern limit=-110; Latitudinal range=9; Longitudinal range=8.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: TEP non-endemic; East Pacific endemic; All species.
Habitat: Sand & gravel; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 22 cm.
Regional Endemism: Continent; Temperate Eastern Pacific, primarily; Tropical Eastern Pacific (TEP) non-endemic; California province, primarily; Continent only; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Eschmeyer , W. N. , Herald , E. S. and Hamman, H., 1983., A field guide to Pacific coast fishes of North America from the Gulf of Alaska to Baja California. Peterson Field Guide Ser. 28., Houghton Mifflin:336pp.
  • Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versión 1.0. Projecto de la Macrofauna del Golfo .  Derechos reservados de los autores y Conservación Internacional.
  • Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen III. Vertebrados - Parte 2., FAO3:1201-1813.
  • Gilbert, C.H., 1890., A preliminary report on the fishes collected by the steamer "Albatross" on the Pacific coast of North America during the year 1889, with descriptions of twelve new genera and ninety-two new species., Proc. U.S. Nat. Mus., 13:49-126.
  • Hoshino, K. and Amaoka, K., 1999., Citharichthys gnathus, a new species of paralichthyid flounder (Teleostei: Pleuronectiformes) from the Galapagos Islands, eastern Pacific Ocean., Ichthyological Research, 46:371-375.
  • Jordan , D.S. and Evermann, B.W., 1898., The fishes of North and Middle America: a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part III., Bull. U.S. Nat. Mus., 47:2183-3136.
  • Love, M.S., Mecklenburg, C.W., Mecklenburg, T.A., Thorsteinson, L.K., 2005., es of the West Coast and Alaska: a checklist of North Pacific and Artic Ocena species from Baja California to the Alaska-Yukon border., U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, 288pp.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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