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Centropomus armatus Gill, 1863
ARMED SNOOK
Long-spine snook

Life   Vertebrata   Fish   Centropomidae   Centropomus

Centropomus armatus
© Copyright Ross Robertson, 2006 · 12
Centropomus armatus
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Centropomus armatus
© Copyright Ross Robertson, 2006 · 12
Centropomus armatus
español

Overview
Main identification features
  • lateral lineto 2nd dorsal fin : 6-7.5 scales
  • ll: black
  • gill rakers 20-25
  • a: 2nd spine largest, thick, reaches c
Dorsal rays VIII + I,10 (rarely 11); anal rays III,6 (rarely 7); pectoral rays 14-16 (usually 15); total rakers (including rudiments) on first gill arch 20-25 (usually 21-24); lateral-line scales 49-57 (usually 51-54); scales around tail base 20-25 (usually 22-24); head concave above; 6-7.5 scales between lateral line and 2nd dorsal fin; second anal spine very stout, much longer than third, reaching to or beyond level of caudal base when depressed and clearly exceeding longest anal soft ray.

Overall silvery with black lateral line; base of pectoral fin blackish.

Size: to at least 37 cm.

Inhabits bays, estuaries, and lower reaches of freshwater streams.

Depth: 0-25 m.

The mouth of the Gulf of California to Ecuador.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); Northern Subtropical (Cortez Province + Sinaloan Gap).
Depth Range Max: 25 m.
Depth Range Min: 0 m.
Diet: mobile benthic crustacea (shrimps/crabs); bony fishes.
Eastern Pacific Range: Northern limit=26; Southern limit=-4; Western limit=-110; Eastern limit=-78; Latitudinal range=30; Longitudinal range=32.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Beach; Estuary; Mud; Sand & gravel; Soft bottom only; Soft bottom (mud, sand,gravel, beach, estuary & mangrove).
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 37 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; 3 provinces (Cortez + Mexican + Panamic) endemic; All species.
Residency: Resident.
Salinity: Brackish; Marine; Freshwater.
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.
  • Donaldson, K.A. and Wilson Jr., R.R., 1999., Amphi-panamic geminates of snook (Percoidei: Centropomidae) provide a calibration of the divergence rate in the mitochondrial DNA control region of fishes., Molecular Phylogenetics and Evolution, 13:208-213.
  • 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 II. Vertebrados - Parte 1., FAO2:647-1200.
  • Fowler, H.W., 1944., Results of the Fifth George Vanderbilt Expedition (1941) (Bahamas, Caribbean sea, Panama, Galapagos Archipelago and Mexican Pacific Islands). The Fishes., Acad. Nat. Sci. Philadel., Monographs, 6:57-529.
  • Gill, T.N., 1863., Catalogue of the fishes of Lower California, in the Smithsonian Institution, collected by Mr. J. Xantus. Part 4., Proc. Acad. Nat. Sci. Phila., 15:80-88.
  • Gill, T.N., 1863., Descriptive enumeration of a collection of fishes from the western coast of Central America, presented to the Smithsonian Institution by Captain John M. Dow., Proc. Acad. Nat. Sci. Phila., 15:162-174.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • Jordan , D.S. and Bollman, C.H., 1890., Descriptions of new species of fishes collected at the Galapagos Islands and along the coast of the United States of Colombia, 1887-88, by the U.S. Fish Commission steamer 'Albatross'., Proc. U.S. Nat. Mus., 12:149-183.
  • Jordan , D.S. and Evermann, B.W., 1896., 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 I., Bull. U.S. Nat. Mus., 47:1-1240.
  • Jordan , D.S. and Gilbert, C.H., 1882., List of Fishes now in the Museum of Yale College, Collected by Prof. Frank H. Bradley, at Panama, with Descriptions of Three New Species., Proc. U.S. Nat. Mus., 5:620-632.
  • Jordan , D.S. and Gilbert, C.H., 1883., List of the fishes now in the museum of Yale College, collected by Prof. Frank H. Bradley at panama, with descriptions of three new species., Proc. U.S. Nat. Mus., 5(1882):620-632.
  • 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.
  • Madrid Vera , J. , Ruíz Luna , A. and Rosado Bravo, I., 1998., Peces de la plataforma continental de Michoacán y sus relaciones regionales en el Pacífico mexicano., Revista de Biologia Tropical, 42(2):267-276.
  • Meek , S.E. and Hildebrand, S.F., 1925., The marine fishes of Panama. Part II., Field Mus. Nat. Hist., Zool. Ser. Publ., XV:331-707.
  • Phillips, P. C., 1981., Annotated Checklist of Fishes at Jiquilisco Bay, El Salvador., Revista de Biologia Tropical, 29:45-58.
  • Rojas , J. R. , Pizarro , J. F. and Castro, M.V., 1994., Diversidad y Abundancia íctica en tres áreas de manglar en el Golfo de Nicoya, Costa Rica., Revista de Biologia Tropical, 42:663-672.
  • Rubio , R. E. A. and Estupiñan, F., 1990., Ictiofauna del Parque Nacional Natural Sanquianga, un Analisis de su Estructura y Perspectivas para su Manejo., Memorias del VII Seminario Nacional de las Ciencias y Tecnologías del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :660-670.
  • Rubio, E.A., 1988., Estudio taxonomico de la ictiofauna acompañante del camaron en areas costeras del Pacifico de Colombia., Memorias del VI Seminario Nacional de las Ciencias del Mar. Comisión Colombiana de Oceanografía. Bogota, Colombia., :169-183.
  • Starks, E. C., 1906., On a Collection of fishes made by P. O. Simons in Ecuador and Peru., Proc. U.S. Nat. Mus., 30:761-800.
  • Tringali , M. D. , Bert , T. M. , Seyoum , S. , Bermingham , E. and Bartolacci, D., 1999., Molecular phylogenetics and ecological diversification of the transisthmian fish genus Centropomus (Perciformes: Centropomidae)., Molecular Phylogenetics and Evolution, 13:193-207.
  • 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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