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Etropus peruvianus Hildebrand, 1946
PERUVIAN FLOUNDER
Life   Vertebrata   Fish   Paralichthyidae   Etropus

Etropus peruvianus
© Copyright Photographer/SFTEP, 2002 · 0
Etropus peruvianus

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Overview
Main identification features
  • body height less than 1/2 sl
  • lateral line has 40-45 scales
  • dark behind operculum and pectoral
  • pectoral: outer 1/3 dark
  • dorsal fin 75-85 anal fin 59-67
Eyes on left side; relatively slender, body height 36-47% of standard length; head short, 25-29% of standard length; mouth 21-25% of head length; eyes ~parallel, upper eye below edge of head, with crest behind it; most of teeth on blind side, in 1 row on both jaws; lateral line not extending onto head, relatively straight and without arch over pectoral; base of eye side pelvic on midline of body; urinary papilla on blind side, immediately behind anus; eye side pectoral 80% of head length, pointed, 3rd ray prolonged; 75-85 dorsal rays; 59-67 anal rays; 40-45 lateral line scales.

Eye side grey-brown, large dark blotch behind operculum that extends back along lower flank behind pectoral, fins paler than body, with dark speckles, pectoral with outer 1/3 dark; blind side pale.

Size: 10 cm.

Habitat: shallow soft bottoms.

Depth: 0-45 m.

Southern Baja and the Gulf of California to northern Peru.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ); North Temperate (Californian Province &/or Northern Gulf of California).
Depth Range Max: 45 m.
Depth Range Min: 0 m.
Diet: octopus/squid/cuttlefish; mobile benthic crustacea (shrimps/crabs); bony fishes; mobile benthic worms.
Eastern Pacific Range: Northern limit=32; Southern limit=-7; Western limit=-115; Eastern limit=-78; Latitudinal range=39; Longitudinal range=37.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Mud; 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: 10 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; 3 provinces (Cortez + Mexican + Panamic) endemic; All species.
Residency: Resident.
Salinity: Marine; Brackish.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • 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.
  • 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.
  • Hildebrand, S.F., 1946., A descriptive catalog of the shore fishes of Peru., Bull. U.S. Nat. Mus., 189:1-530.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • Lopez , M. I. and Bussing, W. A., 1982., Lista provisional de los peces marinos de la Costa Rica., Revista de Biologia Tropical, 30(1):5-26.
  • 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.
  • Van der Heiden , A. M. and Findley, L. T., 1988., Lista de los peces marinos del sur de Sinaloa, México., Anales del Centro de Ciencias del Mar y Limnologia de la Universidad Autonoma Nacional de Mexico, 15:209-224.

Acknowledgements

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


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