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Overview |
Main identification features
- head - large, bony, spinysnout - 2 bony plates
- body armor -spiny plates
- barbels under mouth
- pectoral - 2 long free rays + fin
PERISTEDION
AMOURED SEA-ROBINS, ARMOURED-GURNARDS
Head and body are flattened below and completely covered in a heavy armor of bony plates and spines; snout extended in a bony two-pointed rostrum; barbels below the lower jaw; no large spines on the preoperculum; dorsal fin divided into separate spiny and soft parts, VIII, 20; anal fin without spines, 20-23; pectoral 11-13 + 2 free rays; pelvic fins wide apart, below base of pectorals, I,5 rays.
About 25 species. Both sides of the Atlantic, the Mediterranean, the Indo-west Pacific and eastern Pacific. In our area there are four endemic species, two of which are treated here.
Other Species: Peristedion species in our area: P. crustosum (bony plate covering head ends in a broad wing with a right-angled end; spines present on base of snout plates and over nostrils; snout plates short, narrow, widely spaced and parallel; chin barbels long, not branched) is a deep water species (>200m). An undescribed species is known from Cocos Island.
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References |
- Castro-Aguirre, J.L. and García-Domínguez, F., 1984., Una especie de Peristedion (Osteichthyes: Scorpaeniformes: Peristediidae) de la bahía de La Paz, Baja California Sur, México., Anales de la Escuela Nacional de Ciencias Biologicas de Mexico, 28:29-38.
- 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.
- 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.
- Garman, S., 1899., The Fishes. In: Reports of an exploration off the west coasts of Mexico, Central and South America, and off the Galapagos Islands, ... by the U.S. Fish Commission Steamer "Albatross," during 1891. L.C.Z.L. Tannar, U.S.N. commanding XXVI., Mem. Mus. Comp. Zool., 24:432pp.
- Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
- Teague, G.W., 1961., The armored sea-robins of America a revision of the american species of the family Peristediidae., Anales del Museo de Historia Natural de Montevideo, Serie 2.a, 7:3-27.
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Acknowledgements | |
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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Updated: 2024-04-19 21:15:55 gmt
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