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Triakis acutipinna Kato, 1968
SHARPFIN HOUNDSHARK
Life   Vertebrata   Fish   Triakidae   Triakis

Triakis acutipinna
www.fao.org Copyright Michel Lamboeuf · 0
Triakis acutipinna
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Triakis acutipinna
© Copyright Photographer/SFTEP, 2002 · 0
Triakis acutipinna
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Overview
Main identification features
  • robust; snout short, rounded
  • 1st dorsal fin midway pectoral/pelvic
  • mouth convex
  • pectorals curved
  • lower lobe c: curved extension
Elongate, relatively robust body; snout short, bluntly rounded; mouth convex; eyes horizontal ovals, with ventral nictitating membranes; teeth with a single large central point; 5 gill slits, last 2 over pectoral fin base; pectorals curved with pointed tips in adults; 2 large dorsal fins, second slightly smaller than first; first dorsal fin with straight rear edge, centered midway between pectoral and pelvic bases; anal fin smaller than and with origin under middle of second dorsal; tail strongly asymmetrical, lower lobe with small point.

Grey.

Size: 127 cm.

Habitat: continental platform.

Depth: 50-200 m.

Southern Colombia 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: 200 m.
Depth Range Min: 50 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=5; Southern limit=-5; Western limit=-82; Eastern limit=-78; Latitudinal range=10; Longitudinal range=4.
Egg Type: Live birth; No pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Mud; Rocks; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Sand & gravel; Reef (rock &/or coral); Reef and soft bottom.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Vulnerable; Listed.
Length Max: 127 cm.
Regional Endemism: Continent only; Continent; TEP endemic; Continental TEP endemic; Panamic province endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Béarez, P., 1996., Lista de los Peces Marinos del Ecuador Continental., Revista de Biologia Tropical, 44:731-741.
  • Compagno, L.J.V., 1999., Checklist of living elasmobranchs. In Hamlett W.C. (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes., The John Hopkins University Press:471-498.
  • Compagno, L.J.V., 1984., Sharks of the World. An annotated and illustrated catalogue of shark species known to date. Part 2. Carcharhiniformes. FAO Species Catalogue., FAO Fish. Synop. No 125, 4(2):251-655.
  • 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.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.
  • Kato,., 1968., Triakis acutipinna (Galeoidea, Triakidae), a new species of shark from Ecuador., Copeia, 1968:319-325.
  • 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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http://192.134.151.83/Summary/speciesSummary.php?genusname=Triakis&speciesname=acutipinna ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Triakis&speciesname=acutipinna
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