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Atractoscion nobilis (Ayres, 1860)
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Atractoscion nobilis
www.fao.org Copyright Michel Lamboeuf · 0
Atractoscion nobilis

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Atractoscion nobilis
© Copyright Photographer/SFTEP, 2002 · 0
Atractoscion nobilis
Atractoscion nobilis
© Copyright Photographer/SFTEP, 2002 · 0
Atractoscion nobilis
español

Overview
Main identification features Elongate, fusiform, compressed, oval cross-section; eye moderate; mouth at front, weakly oblique, ends at rear of eye, lower jaw slightly projecting; no barbels on chin; teeth in multiple rows, front teeth pointed but are not canines; preopercle smooth; 13-18 rakers on 1st gill arch; raised ridge down center of belly; dorsal with long base, deep notch, X-XI, 19-23; anal II, 9-10, spines thin and short, 2nd spine ~1/2 length of 1st ray; pectoral and pelvics short; tail straight to slightly concave; scales small, all rough except smooth around eye, 70-85 on lateral line, fins not scaly.

Metallic blue to coppery above, with dark specks; belly silver; inner base of pectoral with black blotch; juveniles 3-6 dark bars on upper back, dusky yellow fins.

Size: 166 cm; 38 kg..

Habitat: rocky and algal bottoms.

Depth: 1-125 m.

Alaska to the 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); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos).
Depth Range Max: 125 m.
Depth Range Min: 1 m.
Diet: octopus/squid/cuttlefish; bony fishes.
Eastern Pacific Range: Northern limit=50; Southern limit=22; Western limit=-124; Eastern limit=-106; Latitudinal range=28; Longitudinal range=18.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: TEP non-endemic; East Pacific endemic; All species.
Habitat: Estuary; Reef associated (reef + edges-water column & soft bottom); Sand & gravel; Rocks; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Reef (rock &/or coral); Reef and soft bottom.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 166 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; Brackish.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Ayres, W. O., 1860., Description of fishes., Proceedings of the California Academy of Sciences (Series 1), 2:77-81.
  • Breder, C.M. Jr., 1936., Scientific results of the second oceanographic expedition of the "Pawnee" 1926. Heterosomata to Pediculati from Panama to Lower California., Bull. Bingham Oceanogr. Collect. Yale Univ., 2(3):1-56.
  • Castri-Aguirre, J.L., Espinoza-Pérez, H. and Schmitter-Soto, J.J., 2002., Lista sitemática, biogeográfica y ecológica de la ictiofauna estuarino lagunar y vicaria de México. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:117-142.
  • Castro-Aguirre, J.L., 1999., Ictiofauna estuarino-lagunar y vicaria de México., Editorial Limusa S.A. de C.V.: 1-629pp.
  • 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.
  • Galván-Magaña, F., Gutiérrez-Sánchez, F., Abitia-Cárdenas, L.A., Rodríguez-Romero, J., 2000., The distribution and affinities of the shore fishes of the Baja California Sur lagoons. In Aquatic Ecosystems of Mexico: Status and Scope. Eds. M. Manuwar, S.G. Lawrence, I.F. Manuwar & D.F. Malley. Ecovision World Monograph Series., Backhuys Publishers:383-398.
  • 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.
  • Minckley, W.L., 2002., Fishes of the lowermost colorado river, its delta, and estuary: a commentary on biotic change. En: Lozano-Vilano, M. L. (Ed.). Libro Jubilar en Honor al Dr. Salvador Contreras Balderas., Universidad Autonoma de Nuevo León:63-78.
  • Pondella II, D.J., Gintert, B.E., Cobb, J.R., Allen, L.G., 2005., Biogeography of the nearshore rocky-reef fishes at the southern and Baja California islands., Journal of Biogeography, 32:187-201.

Acknowledgements

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


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