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Species: Triakis maculata, Spotted houndshark

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short, rounded snout
fins blunt
scattered dark spots
nostril flaps large
pectoral: broad, triangular

Triakis maculata Kner & Steindachner, 1867

Spotted houndshark

A medium-sized, very stout shark with a short, broadly rounded snout; eyes are horizontal ovals; nostrils wide apart, 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 semi-molar-like, with straight erect points and side points absent or poorly developed; pectoral fins broadly curved in adults; dorsal fins of similar size; rear margin of 1st  dorsal oblique; origin of second dorsal fin well forward of anal fin origin; anal fin smaller than and with origin under middle of second dorsal; tail strongly asymmetrical, lower lobe without point; fins with rounded tips.

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

Reaches: 180 cm, possibly 240 cm.

Habitat: probably reefs and soft bottoms.

Depth: 10-200 m?.

Galapagos Archipelago to northern Chile.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom only
  • Bottom
  • Soft bottom only
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • No pelagic larva
  • Live birth
  • No data
Global Endemism
  • East Pacific endemic
  • All species
  • TEP non-endemic
Regional Endemism
  • Peruvian province, primarily
  • All species
  • Temperate Eastern Pacific, primarily
  • Continent
  • Tropical Eastern Pacific (TEP) non-endemic
  • Island (s)
  • Continent + Island (s)
  • Resident
Climate Zone
  • South Temperate (Peruvian Province )
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Vulnerable
  • Listed
  • Not listed
Length Max
  • 240
Depth Range Min
  • 10
Depth Range Max
  • 200