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Ogilbia deroyi (Poll and van Mol, 1966)
DEROYS CUSKEEL
Orange brotula

Life   Vertebrata   Fish   Bythitidae   Ogilbia

Ogilbia deroyi
© Copyright Photographer/SFTEP, 2002 · 0
Ogilbia deroyi

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Ogilbia deroyi
© Copyright Gerald Allen, 2006 · 0
Ogilbia deroyi
español

Overview
Main identification features
  • snout rounded
  • golden brown
  • tail fin 15-17
  • preopercle - no top pore
  • pectoral: 17-21
Body elongate, somewhat compressed; head wide (usually >10% of SL) and deep (height ~16.9% of SL); wide between eyes; snout rounded; a sharp spine on opercle that has 1 tip; eye relatively large (1.5-2.5% of SL); upper part of preopercle without a pore; gill rakers 12-16; origin of dorsal fin at level of middle of pectoral fins; pelvic fins inserted below rear part of head; dorsal rays 68-80; anal rays 51-59; anal fin origin under dorsal rays 21-27; pectoral rays 17-21; tail fin rays 15-17; body covered with overlapping, small scales, about 110 in midlateral series; cheek without or with a few scattered scales; belly with scales; penis curved, abruptly tapering to tip; 2 pairs of moderately large pseudoclaspers associated with penis, outer pair with a broad base and a long, backward directed support with a sharp tip, inner pseudoclaspers strongly inclined forward, about length of outer pseudoclasper, with sharp tip at front and a fleshy flap at rear.

Reddish brown body and fins

Size: reaches 6.1 cm.

Inhabits shallow reefs and tide pools.

Depth: 0.5-10 m.

Endemic to the Galapagos.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 10 m.
Depth Range Min: 0.5 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=2; Southern limit=-2; Western limit=-93; Eastern limit=-90; Latitudinal range=4; Longitudinal range=3.
Egg Type: Live birth; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Reef Associated.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Reef associated (reef + edges-water column & soft bottom); Rocks; Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 6.1 cm.
Regional Endemism: Island (s); Island (s) only; TEP endemic; TEP oceanic island (s) endemic; Galapagos Islands endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Cohen , D. M. and McCosker, J. E., 1998., A new species of Bythitid fish, genus Lucifuga, from the Galápagos Islands., Bull. Mar. Sci., 63:179-187.
  • Møller, P.R., Schwarzhans, W., Nielsen, J.G., 2005., Review of the American Dinematichthyini (Teleostei: Bythitidae). Part II. Ogilbia., Aqua, 10:133-207.
  • Poll , M. and Van Mol, J. J., 1966., Au sujet d'une espece inconnue de Brotulidae littoral des iles Galapagos, apparentee a l'espece aveugle Caecogilbia galapogensis Poll et Leleup., Bull. Cl. Sci. Acad. Roy. Belg. Series 5, 52(11):1444-1461.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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http://192.134.151.83/Summary/speciesSummary.php?genusname=Ogilbia&speciesname=deroyi ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Ogilbia&speciesname=deroyi
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