FishBase | Search | All Living Things

Mustelus mento Cope, 1877
Speckled smoothhound

Life   Vertebrata   Fish   Triakidae   Mustelus

Mustelus mento
© Copyright Ross Robertson, 2006 · 12
Mustelus mento

Click on map for details about points.

IDnature guides


    We parsed the following live from the Web into this page. Such content is managed by its original site and not cached on Discover Life. Please send feedback and corrections directly to the source. See original regarding copyrights and terms of use.
  • FishBase

80x5 - 240x3 - 240x4 - 320x1 - 320x2 - 320x3 - 640x1 - 640x2
Set display option above.
Click on images to enlarge.
Mustelus mento
© Copyright Photographer/SFTEP, 2002 · 0
Mustelus mento
Mustelus mento Copyright Michel Lamboeuf · 0
Mustelus mento

Main identification features
  • fins blunt
  • juveniles: dark bars
  • flank: white spots
Elongate, hunched body; short head pointed snout; mouth angular, short; teeth irregularly rounded, without points; width between eyes = 4.5-5.6% of total length; eyes horizontal ovals, with ventral nictitating membranes; 5 gill slits, last 2 over pectoral fin base; 2 large dorsal fins, second slightly smaller than first; first dorsal a blunt, broad triangle, nearer pelvic than pectoral; rear edges of dorsals denticled; distance between dorsal fins = 17-22% of total length; anal fin smaller than and with origin under middle of second dorsal; mouth angular; tail strongly asymmetrical, lower lobe not expanded or with concave rear edge; fins with blunt tips; skin denticles on flank pointed ovals with a single point, with or without canal on base.

Grey to grey-brown above, paler below; sides with many white spots; juveniles with dark bars.

Size: 130 cm.

Habitat: upper continental shelf, demersal.

Depth: 15-50 m.

SW Atlantic and SE Pacific (Colombia to Chile, Galapagos Islands).

Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo); South Temperate (Peruvian Province ).
Depth Range Max: 50 m.
Depth Range Min: 15 m.
Diet: mobile benthic crustacea (shrimps/crabs); bony fishes; mobile benthic worms; mobile benthic gastropods/bivalves.
Eastern Pacific Range: Northern limit=6; Southern limit=-9; Western limit=-93; Eastern limit=-78; Latitudinal range=15; Longitudinal range=15.
Egg Type: Live birth; No pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: New world (East Pacific + West Atlantic); East Pacific + Atlantic (East +/or West); TEP non-endemic; All species.
Habitat: Mud; Sand & gravel; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 130 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); Tropical Eastern Pacific (TEP) non-endemic; Eastern Pacific non-endemic; Peruvian province, primarily; Temperate Eastern Pacific, primarily; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Mid Water; Near Bottom; Bottom + water column;

Scientific source:

Links to other sites

  • 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.
  • Cope, E. D., 1877., Synopsis of the cold blooded vertebrata, procured by Prof. James Orton during his exploration of Peru in 1876-77., Proc. Amer. Phil. Soc., 17:33-49.
  • 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.
  • Jimenez-Prado, P., Béarez, P., 2004., Peces marinos del Ecuador continental / Marine fishes of continental Ecuador., SIMBIOE/NAZCA/IFEA tomo 1 y 2.


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

Supported by
go to Discover Life's Facebook group

Following modified from FishBase
   Top | See original ---> --->
&pull 20q v5.145 20180528: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed)

Updated: 2021-08-03 22:31:59 gmt
FishBase | Search | All Living Things | Top
© Designed by The Polistes Corporation