Shorefishes of the Greater Caribbean online information system

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Species: Petrotyx sanguineus, Redfin Brotula

All Families:   All Genera:   All Species:

papillae cover snout
lips fringed
head scaled
operculum & preoperculum - no spines
3 gill rakers
pelvic: 2 rays under preoperculum

Petrotyx sanguineus (Meek & Hildebrand, 1928)

Redfin Brotula

Elongate, compressed, tapering to rear; eye relatively small; snout and jaw tips with patches of fleshy papillae; lips with fleshy fringes; front nostril halfway between top lip and rear nostril; preopercle margin overgrown with skin, without spines; operculum without spines; 3 developed gill rakers; dorsal and anal fins continuous with tail fin; dorsal 81-95, anal 63-73; pelvic fin a double rayed filament under preoperculum; pectoral 22-26; scales small, smooth, embedded in skin, on head and body; lateral line on front half of body.

Adult dark red-brown, with bright red jaws and fins; young reddish.

Reaches 20 cm.

Lives on reefs.

Depth range: 4-15 m.

The Gulf of Mexico, the Bahamas and the Caribbean to Brazil

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Reef only
  • Rocks
  • Corals
  • Reef (rock/coral/oyster)
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Also in Brazil
  • Extends South of GC
  • Continent
  • Continent + Island (s)
  • GC endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 20
Depth Range Min
  • 4
Depth Range Max
  • 15