Shorefishes of the Greater Caribbean online information system

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Species: Pseudotriakis microdon, False Cat Shark

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body & fins soft & flabby
D very long base, low
long angular mouth
many small teeth
teeth similar on both jaws

Pseudotriakis microdon Capello, 1868

False Cat Shark

Head, body and fins soft and flabby; head narrow & rounded; snout elongate, rounded, bell-shaped; a deep groove before elongated, slit-like eyes; spiracles very large; front nasal flaps broadly angular; mouth long, angular, arched, extends past eyes; lip furrows very short; teeth small, with acute narrow points & 1 pair of side cusplets, not bladelike, similar in both jaws, rear teeth comblike; many tooth rows (upper 96 - 294, lower 108 – 335); pectoral fins rounded; 1st dorsal fin long and low, spans most of distance between pectorals and pelvics; no pits on tail origin; tail fin with ventral lobe weak to absent; no undulations on upper edge of tail fin.

Uniform dark brown to black

Reaches 2.96 m

On the bottom of deep water, around reefs.

Depth range 100-1890 m.

Scattered locations worldwide, except the East Pacific; Nova Scotia to Brazil; the Bahamas.

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  • Marine
  • Marine Only
  • In & Offshore
  • Inshore
  • Offshore
Water Column Position
  • Bottom
  • Bottom + water column
  • Near Bottom
  • Water column
  • Reef and soft bottom
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Bathydemersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Sharks/rays
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Octopus/squid/cuttlefish
Egg Type
  • Data
  • Live birth
Global Endemism
  • All species
  • Circumtropical ( Indian + Pacific + Atlantic Oceans)
  • Greater Caribbean non-endemic
Regional Endemism
  • Also in Brazil
  • GC non-endemic
  • Island (s)
  • Island (s) only
  • All species
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 296
Depth Range Min
  • 100
Depth Range Max
  • 1890