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Species: Galeus arae, Marbled catshark, Roughtail catshark

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3-6 dark, pale edged saddles behind D1
2 rows round blotches: eye to A
C with 2 dark bars
denticle crests: only top edge of C
A base <14% TL

Galeus arae  (Nichols, 1927)

Roughtail catshark, Marbled catshark    

Body slender, firm, thick skin; head slightly depressed; snout = / < than mouth width, thick, not flattened, pointed, relatively short, 5-7% TL before mouth; no crests on skull over eyes; ridge under eye narrow to absent;  nasal flaps broad, triangular, low, without barbels;  no grooves from nostrils to mouth; mouth short, broadly arched; central teeth with long, narrow central cusp & a smaller cusp on each side; side teeth with smaller central cusp, 2-3 pairs of side cusps;  lip furrows on both jaws, moderately long, but ending well short of front of mouth; eyes on sides of head;  dorsal fins 2, equal sized; origin of 1st dorsal over front 1/3 of pelvic base;  origin of 2nd dorsal over to slightly behind center of anal fin base; pectorals relatively large; anal fin large, elongate, relatively short, its base 8.7-13.6% TL, its origin behind tip of 1st dorsal fin, its free rear tip ends well before (by distance > / = length of eye) lower tail fin origin; tail fin elongate, ~1/4 TL;  top edge of tail fin with a crest of various rows of enlarged denticles, top of crest flattened, side-row denticles asymmetrical (& much larger than those in center-rows), project laterally, covering a band of naked skin separating crest from normal denticles on rest of tail; under tail base without a denticle crest.

Body with 3-6 dark, pale-edged saddles behind 1st dorsal, 2 extending onto the front ½ of the dorsal fins; upper side from behind eye to above anal fin with row of oval to round pale-edged dark blotches, another shorter row below that; tips of dorsal and tail fins white; upper lobe of tail fin with ~2 broad dark bars

Reaches 33 cm

On and near the bottom

Depth range 250-780 m.

Continental, from South Carolina to Costa Rica.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Offshore
  • In & Offshore
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Reef and soft bottom
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
Diet
  • Mobile benthic crustacea (shrimps/crabs)
  • Data
Egg Type
  • Benthic
  • No pelagic larva
  • Data
Global Endemism
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent only
  • GC endemic
  • Continent
Residency
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Listed
  • Least concern
CITES
  • Not listed
Length Max
  • 33
Depth Range Min
  • 250
Depth Range Max
  • 780