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Cathorops tuyra (Meek and Hildebrand, 1923)
BESUDO SEA CATFISH
Besudo sea-catfish

Life   Vertebrata   Fish   Ariidae   Cathorops

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Cathorops tuyra
© Copyright Ross Robertson, 2006 · 12
Cathorops tuyra

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Overview
Main identification features
  • head: central groove - snout to behind eye
  • snout: long, pointed;mouth: small, lips: thick and fleshy
  • sides of roof of mouth - molar teeth
  • gill opening at side
Dorsal rays I,7; anal rays 20; pectoral rays I,10-11; gill rakers on first arch 7 + 13-15; rakers on posterior surface of all arches; body moderately elongate; central groove in top of head from snout to behind eye; snout long, pointed; mouth small; lips fleshy, often thick; gill opening restricted, gill membranes barely forming low fold across mid-throat; jaw bones very wide, with large molar teeth; teeth at front of top jaw in broad band; palate teeth molariform and large, in a pair of well-separated, elongate oval patches.

Grey on back and sides, white below; fins dusky bluish grey.

Maximum size to 30 cm.

Inhabits brackish and fresh water.

Depth: 0-20 m.

Costa Rica to Peru.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 20 m.
Depth Range Min: 0 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves; mobile benthic worms.
Eastern Pacific Range: Northern limit=11; Southern limit=-9; Western limit=-86; Eastern limit=-78; Latitudinal range=20; Longitudinal range=8.
Egg Type: Brooded; No pelagic larva; No pelagic phase.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Mud; Sand & gravel; Soft bottom only; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Freshwater.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 30 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Panamic province endemic; All species.
Residency: Resident.
Salinity: Brackish; Freshwater; Non Marine.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • 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.
  • Jimenez-Prado, P., BÚarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • 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.
  • Meek , S.E. and Hildebrand, S.F., 1923., The marine fishes of Panama. Part I., Field Mus. Nat. Hist., Zool. Ser. Publ., XV:1-330.
  • Rojas , J. R. , Castro , M. and Pizarro, J. F., 1994., Epoca de desove, fecundidad y morfologÝa en cinco especies Ýcticas (Pisces: Ariidae) e manglar en Costa Rica., Revista de Biologia Tropical, 42:751-754.

Acknowledgements

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


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Cathorops tuyra (Meek & Hildebrand , 1923)

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Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Ariidae (Sea catfishes) > Ariinae
Etymology: Cathorops: Greek, kathorao = to observe, to watch + Greek, ops = appearance (Ref. 45335 ) .  More on authors: Meek & Hildebrand .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; freshwater; brackish; demersal.   Tropical; 8°N - 5°S

Distribution Countries | FAO areas | Ecosystems

Updated: 2020-06-02 06:33:23 gmt
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