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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://www.fishbase.org/Summary/speciesSummary.php?genusname=Ogilbia&speciesname=deroyi ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Ogilbia&speciesname=deroyi
http://192.134.151.83/Summary/speciesSummary.php?genusname=Ogilbia&speciesname=deroyi ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Ogilbia&speciesname=deroyi
https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Ogilbia&speciesname=deroyi ---> https://fishbase.mnhn.fr/summary/Ogilbia-deroyi.html
Ogilbia deroyi, Deroy's cuskeel
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Ogilbia deroyi ( Poll & van Mol , 1966 )

Deroy's cuskeel Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Ogilbia deroyi   AquaMaps   Data sources: GBIF OBIS
Upload your photos  and  videos
Pictures | Google image Image of Ogilbia deroyi (Deroy\ Ogilbia deroyi
Picture by Allen, G.R.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Ophidiiformes (Cusk eels) > Dinematichthyidae (Viviparous brotula)
Etymology: Ogilbia: Taken from Ogilby, 1887-1915, icthiologist and zoologist (Ref. 45335 ) .
More on authors: Poll & van Mol .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; depth range 0 - 10 m (Ref. 57883 ). Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Southeast Pacific: Galapagos Islands.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 7.0 cm TL male/unsexed; (Ref. 11482 )

Short description Morphology | Morphometrics

Dorsal soft rays (total): 68-80; Anal soft rays : 51 - 59; Vertebrae : 39 - 43. This species is characterized by the following: vertebrae 11-12 + 27-31 = 39-43, dorsal fin rays 68-80, anal fin rays 51-59; outer pseudoclasper with a broad base and long supporter with sharp, pointed tip; inner pseudoclasper is anteriorly inclined, of about length of outer pseudoclasper, with sharp, spine-like tip anteriorly and fleshy flap posteriorly; isthmus between pseudoclaspers wide, penis with abrupt change in thickness; opercular spine with a single, sharp tip; cheeks naked or with few isolated scales (less than 10 scales all together); otolith length: height ratio 2.1-2.2; upper preopercular pore absent (Ref. 57883 ).

Biology     Glossary (e.g. epibenthic)

Inhabits rocky crevices (Ref. 11482 ). Two paratypes that were collected at low tide between blocks of lava in about 50 cm of water, were observed to move slowly close to the sand bottom. Experiments that were carried out showed that O. deroyi can tolerate a wide variation in salinity, but not the low salinity in which O. galapagosensis lives. Consequently, there is an ecological barrier separating the two species. Only about five embryos were observed in ripe females (Ref. 57883 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Møller, P.R., W. Schwarzhans and J.G. Nielsen , 2005. Review of the American Dinematichthyini (Teleostei: Bythitidae). Part II. Ogilbia . aqua, J. Ichthyol. Aquat. Biol. 10(4):133-207. (Ref. 57883 )

IUCN Red List Status (Ref. 130435 )

  Least Concern (LC)  ; Date assessed: 29 April 2008

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of no interest FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201 ): 23.6 - 24.6, mean 23.9 °C (based on 12 cells). Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  3.3   ±0.5 se; based on size and trophs of closest relatives Resilience (Ref. 120179 ):  Low, minimum population doubling time 4.5 - 14 years (Assuming Fec < 100). Fishing Vulnerability (Ref. 59153 ):  Low vulnerability (10 of 100).

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Updated: 2024-06-20 08:41:20 gmt
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