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Species: Schroederichthys tenuis, Slender Cat Shark

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saddles strong, outlined in dark spots
4 saddles between Ds
D1 ~ D2
nasal flaps = narrow lobes

Schroederichthys tenuis Springer, 1966

Slender Cat Shark

Body slender, tapering, trunk behind pelvics very elongate, tip of snout to anus ~1/3 TL; head slightly depressed, rounded in profile; a crest over eye; eye a horizontal oval; snout short, round; front nostril flap longer than wide, narrow, tip rounded, without barbel; lip furrows of moderate size on both jaws; teeth similar on both jaws, ~½ with 3 points & ½ with 5, central point much longer than side points; 5 gill slits, last 2 over pectoral; two large dorsal fins, of similar size; origin of just behind pelvic base; origin of second dorsal over last third of anal fin base to behind anal fin insertion; pelvic and anal fins small; tail fin asymmetric, short, its base without a keel, no crests of denticles along margins; color pattern of combinations of light and dark spots and saddles.

Upper head and body light brown, with many small dark spots between and outlining 7-8 dark saddles (4 of those between the dorsals, one extending onto each dorsal fin); tail fin with 2-3 dark saddles.

Reaches 47 cm.

Depth range 72-450 m.

Outer continental shelf and upper slope

Surinam to northern Brazil

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  • Marine
  • Marine Only
  • In & Offshore
  • Inshore
  • Offshore
Water Column Position
  • Bottom
  • Bottom only
  • Reef and soft bottom
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
  • Octopus/squid/cuttlefish
Egg Type
  • Benthic
  • Data
  • No pelagic larva
  • No pelagic phase
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Also in Brazil
  • Continent
  • Continent only
  • Extends South of GC
  • GC non-endemic
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Data deficient
  • Listed
  • Not listed
Length Max
  • 47
Depth Range Min
  • 72
Depth Range Max
  • 450