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Pythonichthys asodes
© Copyright Ross Robertson, 2006 · 12
Pythonichthys asodes
Pythonichthys asodes
© Copyright Ross Robertson, 2006 · 12
Pythonichthys asodes
Pythonichthys asodes
© Copyright Photographer/SFTEP, 2002 · 0
Pythonichthys asodes
© Copyright Ross Robertson, 2006 · 12

Main identification features
  • small eyes; large mouth
  • no ll
  • median fins continuous
  • no pectoral
  • gill opening low
  • tail fin pointed


Heterenchelid eels are highly modified for burrowing, headfirst; The have blunt heads, no pectoral fin, a large mouth with more or less equal jaws, no scales, gill openings low on the body, no lateral line, dorsal and anal fins that are low and confluent with the tail, and the dorsal fin origin over the gill opening.

This small family, which contains two genera and 8 species, is restricted to the tropical and subtropical Atlantic and eastern Pacific; there is one species in the eastern Pacific.

  • Böhlke, E. B., 1989., Fishes of the Western North Atlantic., Sears Foundation for Marine Research1:655pp.
  • 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.
  • 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.
  • McCosker , J. E. and Phillips, P. C., 1979., Occurrence of the heterenchelyid eel Pythonichthys asodes at Costa Rica and El Salvador., Bull. Mar. Sci., 29:599-600.
  • Nelson, J.S., 1984., Fishes of the World (Third edition)., John Wiley and Sons:523pp.
  • Phillips, P. C., 1981., Annotated Checklist of Fishes at Jiquilisco Bay, El Salvador., Revista de Biologia Tropical, 29:45-58.
  • Rosenblatt , R. H. and Rubinoff, I., 1972., Pythonichthys asodes, a new heterenchelyid eel from the Gulf of Panama., Bull. Mar. Sci., 22:355-364.
  • 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.


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