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Pythonichthys asodes Rosenblatt and Rubinoff, 1972
PACIFIC MUD-EEL
Life   Vertebrata   Fish   Heterenchelyidae   Pythonichthys

Pythonichthys asodes
© Copyright Ross Robertson, 2006 · 12
Pythonichthys asodes

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

Overview
Main identification features
  • tail ~3/4 total length
  • redbrown, fins blackish
  • dorsal and anal finsjoin soft c
  • mouth long, at front; eye very small
  • no pectoral
Long head (1/4-1/3 of body length); a low skin ridge on side of snout forward of eye; very small eye; rear nostril slit-like with lower edge in front of upper edge of eye; front nostril round with raised rim; mouth long (1/4-1/3 of head length); teeth on front roof of mouth continuous with those on upper jaw; 2-3 rows of teeth on upper jaw (inner row incomplete), a pair of fleshy folds in roof of mouth, no skin crest on top of head; papillae on upper lip in front of anterior nostril; gill opening crescent shaped; body circular in cross-section at front; no lateral line pores on side; no pectoral fin; no lateral line; dorsal and anal fins of dead fish are very reduced, visible at most as ridge, more exposed just before tail; tail long (~75% of total length), with tip on lower edge.


Tan to red-brown, with black fins.

Size: 54 cm.

Habitat: mud, estuarine/marine.

Depth: 7-30 m.

SE Gulf of California to Panama.



Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Northern Subtropical (Cortez Province + Sinaloan Gap).
Depth Range Max: 30 m.
Depth Range Min: 7 m.
Diet: mobile benthic crustacea (shrimps/crabs); mobile benthic worms; mobile benthic gastropods/bivalves.
Eastern Pacific Range: Northern limit=25; Southern limit=8; Western limit=-108; Eastern limit=-79; Latitudinal range=17; Longitudinal range=29.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Estuary; Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 54 cm.
Regional Endemism: Continent only; Continent; TEP endemic; Continental TEP endemic; Mexican + Panamic provinces endemic; All species.
Residency: Resident.
Salinity: Brackish; Marine.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • 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.
  • 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.

Acknowledgements

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


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