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Triakis maculata Kner and Steindachner, 1867
SPOTTED HOUNDSHARK
Life   Vertebrata   Fish   Triakidae   Triakis

Triakis maculata
© Copyright Photographer/SFTEP, 2002 · 0
Triakis maculata

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Triakis maculata
© Copyright Photographer/SFTEP, 2002 · 0
Triakis maculata
Triakis maculata
© Copyright Photographer/SFTEP, 2002 · 0
Triakis maculata
español

Overview
Main identification features
  • short, rounded snout
  • fins blunt
  • scattered dark spots
  • large flaps under nostrils
  • pectoral: broad, triangular
A medium-sized, stout shark with a short, broadly rounded snout; eyes in a dorsolateral position; a short, broadly rounded snout; front nasal flaps lobate, not reaching mouth and well separated from each other; long upper lip furrows that reach the lower symphysis of the mouth; teeth not blade-like, with straight erect points and side points absent or poorly developed; dorsal fins of similar size; origin of second dorsal fin well forward of anal fin origin; pectoral fins broadly curved in adults; fins with rounded tips.

Generally light grey becoming white on ventral surface; usually scattered black spots on body, but sometimes plain-colored.

Reaches: 240 cm.

Habitat: probably reefs and soft bottoms.

Depth: 10-200 m?.

Galapagos Archipelago, Malpelo Island and southern Ecuador to northern Chile.


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: 10 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=5; Southern limit=-20; Western limit=-93; Eastern limit=-70; Latitudinal range=25; Longitudinal range=23.
Egg Type: Live birth; No pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: TEP non-endemic; East Pacific endemic; All species.
Habitat: Mud; Sand & gravel; Soft bottom only; Soft bottom (mud, sand,gravel, beach, estuary & mangrove).
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 240 cm.
Regional Endemism: Island (s); Continent; Temperate Eastern Pacific, primarily; Continent + Island (s); Peruvian province, primarily; Tropical Eastern Pacific (TEP) non-endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • 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.
  • Hildebrand, S.F., 1946., A descriptive catalog of the shore fishes of Peru., Bull. U.S. Nat. Mus., 189:1-530.
  • Kner , and Steindachner,., 1867., Neue Fische aus dem Museum der Herren J. Ces. Godeffroy & Sohn in Hamburg., Sitzungsber. Akad. Wiss. Wien, 54:356-395.
  • McCosker , J.E. and Humann, P.H., 1996., New records of Galápagos fishes., Charles Darwin Foundation, Noticias de Galápagos., 56:18-26.

Acknowledgements

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


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