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Trinectes xanthurus H. J. Walker and Bollinger, 2001
Life   Vertebrata   Fish   Achiridae   Trinectes

Trinectes xanthurus
© Copyright Ross Robertson, 2006 · 12
Trinectes xanthurus

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Main identification features
  • thin dark bars and dots
  • c: yellowish
  • rear dorsal and anal finsdark
Body oval; eyes on right side; snout rounded; mouth small, arched, a little below snout, ends before front of lower eye; front margin of head with short tentacles; rear edge of preopercle covered with skin; no opening connecting gill chambers on both sides; front nostril on eye-side without ring of cirri; border of operculum on blind side mainly scaled; fins without spines; dorsal origin ~above eye; pelvic on eye side fused to anal; pectorals present or absent; lateral line from head to tail, straight; no pectoral fin in ~95% of fish; dorsal >51 rays; anal >38 rays.

Eye-side dark brown, with faint, thin dark cross-lines and dark dots; dorsal and anal dark; tail yellow; rear 1/2 of blind-side dark grey-brown.

Size: 10 cm.

Habitat: river mouths and shallow coastal waters.

Depth: 5-25 m.

El Salvador to Colombia.

Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 25 m.
Depth Range Min: 5 m.
Diet: mobile benthic crustacea (shrimps/crabs); mobile benthic worms; bony fishes.
Eastern Pacific Range: Northern limit=14; Southern limit=5; Western limit=-89; Eastern limit=-78; Latitudinal range=9; Longitudinal range=11.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only; Sand & gravel.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 10 cm.
Regional Endemism: Continent only; Continent; TEP endemic; Continental TEP endemic; Panamic province endemic; All species.
Residency: Resident.
Salinity: Brackish; Marine.
Water Column Position: Bottom; Bottom only;

Scientific source:

Links to other sites

  • Bussing , W. A. and Lopez, M. I., 1994., Demersal and pelagic inshore fishes of the Pacific coast of lower central America. An illustrated guide., Revista de Biologia Tropical, 1994:1-164.
  • 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.
  • Walker and Bollinger, H. J. & J., 2001., A new species of Trinectes (Pleuronectiformes: Achiridae), with comments on the other Eastern Pacific species of the genus., Revista de Biologia Tropical, 49(Supplement 1):177-186.


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