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Species: Calamopteryx robinsorum, Teacher Brotula

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head: few, small, scattered papillae
A 40-49
C 8

Calamopteryx robinsorum Cohen, 1973

Teacher Brotula

Body relatively short and stubby; head depressed, broadly rounded; eye large (13-19% of head length), horizontally elongate ovals; head with only a few small, scattered papillae; front nostril tubular, immediately above the top lip, rear nostril a circular hole; teeth on sides of roof of mouth; no central tooth patch at bottom of gill arches, paired patches at bases of gill arches 3-5; opercular spine flattened and flap-like; lower edge of preopercle with curved, forward-pointing spine; dorsal fin 58-68; anal fin 40-49; pectoral fin at end of elongate stalk, 14-19; each pelvic fin is one thread, inserted under throat; tail fin 8, joined to dorsal and anal fins; rows of small papillae along side of belly; scales on body and much of head; male with fleshy pad and hooded penis immediately behind anus.

Grey-brown, with large widely spaced dark chromatophores, those densely distributed on cheeks and top rear of head.

Size 5 cm.

Trawled on soft bottoms.

Depth range: 40-210 m.

The Gulf of Mexico, Bahamas and Caribbean.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Mud
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Data
  • Live birth
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent + Island (s)
  • GC endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 5
Depth Range Min
  • 40
Depth Range Max
  • 210