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Species: Ogilbia nudiceps, Naked brotula

All Families:   All Genera:   All Species:

eyes small
D 63-72
A 49-56
cheeks & belly - no scales

Ogilbia nudiceps Moller, Schwarzhans & Nielsen, 2005

Naked brotula

Body elongate but moderately deep and compressed; snout rounded; eye small (~ 1.9% of SL), narrow between eyes;  mouth small; top jaw bone expanded vertically at rear; rear 3 pores on lower jaw large (> rear nostril); a sharp spine on opercle that has 1 tip; preopercle with 3 pores at lower rear corner, upper part with a pore; gill rakers 13-16, 2-4 long rakers in angle of arch; origin of dorsal fin at level of middle of pectoral fins; pelvic fins inserted below rear part of head; dorsal rays 63-72; anal rays 49-56; origin of anal fin under dorsal rays 19-23; pectoral rays 18-20; tail fin rays 14-16; lateral line indistinct, continuous, complete; body covered with relatively small, scarce overlapping scales; cheek and belly without scales; penis broad, curved, pointed; 2 pairs of moderately large pseudoclaspers associated with penis, outer pair broad, wing shaped, slightly expanded at tip, inner pair with 2 branches, front one bending forwards, rear one bending backwards, with a fleshy lobe in between.

Preserved fish pale brown

Size: reaches 8.3 cm.

Inhabits shallow reefs.

Depth: 0-30 m.

Known only from the Gulf of California.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Rocks
  • Reef only
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • No Data
  • Bony fishes
Egg Type
  • No pelagic larva
  • Live birth
  • No pelagic phase
  • No data
Global Endemism
  • All species
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Continent
  • Continent only
  • TEP endemic
  • All species
  • Continental TEP endemic
  • Cortez province endemic
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 8.3
Depth Range Min
  • 0
Depth Range Max
  • 30