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Species: Lucifuga simile, Blind Cave Brotula

All Families:   All Genera:   All Species:

top rear head - no scales
eye < 0.3% SL
D 70-78
A 57-64
C 8
long gill rakers - pale

Lucifuga simile Nalbant, 1981

Blind Cave Brotula

Body elongate, tapering to a narrow tail base; head deep at rear, snout depressed, forehead profile straight; top of head cavernous; eyes tiny (<0.3% of SL) or not visible externally; sides of roof of mouth with ~25 small granular teeth; top jawbone vertically expanded at rear, a small downpointing knob near lower rear corner; no central tooth patch at bottom of gill arches; gill rakers 18, only 3 developed, with rounded tips; no spine at lower angle of preopercle; dorsal fin 70-78 rays; anal fin 57-64; tail fin 8 rays, fin connected at its base to dorsal and anal fins; pectoral base broader than long, pectoral 11-16; anal fin origin behind midpoint of body; lateral line in 2 parts, shorter front part on upper side, lower part along midside, 12 + 20-24 pores; body covered with regularly overlapping scales; head partly scaled, no scales at top rear of head; male penis without bone-reinforced pseudoclaspers.

Color whitish pink, without pigment; long gill rakers pale.

Reaches 8 cm.

Lives in caves; freshwater to brackish water.

Depth range: 0-20 m.

Known only from Matanzas, W Cuba.

Note: Three other Lucifuga species are known from freshwater in Cuba, all with 8 tail fin rays: L. dentata (gill rakers 15-21, dorsal rays 83-95, anal rays 69-78, pectoral rays 15-17), L. subterranea (gill rakers 14-15, dorsal rays 80-86, anal rays 61-66, pectoral rays 12-14) and L. teresinarum (gill rakers 13-14, dorsal rays 78-80, anal rays 61-64, pectoral rays 10-11).

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  • Brackish
  • Non Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom + water column
  • Near Bottom
  • Water column
  • Estuary
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Data
  • Live birth
  • No pelagic larva
  • No pelagic phase
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Antilles endemic
  • GC endemic
  • Island (s)
  • Island (s) only
  • All species
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Critically endangered
  • Listed
  • Not listed
Length Max
  • 8
Depth Range Min
  • 0
Depth Range Max
  • 20