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Centrolophidae
MEDUSAFISHES
Ruffs

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Schedophilus haedrichi
© Copyright Photographer/SFTEP, 2002 · 0
Schedophilus haedrichi
Seriolella
© Copyright Photographer/SFTEP, 2002 · 0
Seriolella

Seriolella violacea
© Copyright Photographer/SFTEP, 2002 · 0
Seriolella violacea
Centrolophidae
© Copyright Photographer/SFTEP, 2002 · 0
Centrolophidae
español

Overview
Main identification features
  • eye large, with fatty ring
  • elongate, compressed
  • 1 dorsal fin low, long base, spines shorter than rays
  • pelvics connect to belly by membranes
FAMILY CENTROLOPHIDAE

MEDUSAFISHES, RUFFS

Distinguishing characteristics of these fishes include: elongate, compressed bodies with blunt snouts; large eyes; two spines on the operculum; small pelvic fins that are connected to the belly by a membrane and can fold into grooves along the belly; one dorsal fin, with either 0-V weak spines that grade into the rays (Schedophilus) or VII-VIII stout spines that are much shorter than the rays (Seriolella); a forked tail; an anal fin with III spines and 15-19 rays; scales small and smooth.

There are 7 genera and 27 species in this circumglobal tropical to subtropical family; 2 monospecific genera occur in our region. Medusa fishes are pelagic coastal fishes usually found in deep water.


References
  • Abbott, J.F., 1899., The marine fishes of Peru., Proc. Acad. Nat. Sci. Phila., 51:324-364.
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • Chirichigno, N., 1973., Nuevas especies de peces de los generos Mustelus (Fam. Triakidae), Raja (Fam. Rajidae) y Schedophilus (Fam. Centrolophidae)., Instituto del Mar del Peru, Informe., 42:1-40.
  • Grove , J.S. and Lavenberg, R. J., 1997., The fishes of the Galápagos islands., Stanford University Press:863 pp.
  • Guichenot, A., 1848., Fauna Chilena. Peces. Pp. 137-370. In: C. Gay, Historia fisica y politica de Chile. Vol. 2, Zoologia. Paris & Santiago., Fauna Chilena, Peces,.
  • Haedrich, R.L., 1967., The stromateoid fishes; systematics and a classification., Bull. Mus. Comp. Zool., Harvard, 135(2):31-139.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • Molina, L., Danulat, E., Oviedo, M., González, J.A., 2004., Guía de especies de interés pesquero en la Reserva Marina de Galápagos., Fundación Charles Darwin / Agencia Espeñola de Cooperación Internacional / Dirección Parque Nacional Galápagos, 115pp.
  • Nelson, J.S., 1984., Fishes of the World (Third edition)., John Wiley and Sons:523pp.
  • 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.

Acknowledgements

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


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