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Microbrotula bentleyi  Anderson, 2005

Many-ray cusk
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Microbrotula bentleyi   AquaMaps   Data sources: GBIF OBIS
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Image of Microbrotula bentleyi (Many-ray cusk)
Microbrotula bentleyi
Female picture by W. Schwarzhans & J.G. Nielsen

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Ophidiiformes (Cusk eels) > Bythitidae (Viviparous brotulas) > Bythitinae
Etymology: Microbrotula: Greek, mikros = small + Latin, brotula, -ae = little, bud, shoot (Ref. 45335);  bentleyi: Named for Andrew Charles Bentley of Port Elizabeth, South Africa, now at the University of Kansas, USA, for his enthusiasm and help in the development of a program on western Indian Ocean fishes, and for collecting the holotype.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 0 - 55 m (Ref. 54832).   Tropical

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

Indo-Pacific: South Africa to the Red Sea and from the Philippines to Cape York Peninsula in northern Australia; widely distributed and large gap in the distribution is probably a collecting artefact rather than indicative of a true distribution.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm SL male/unsexed; (Ref. 54832); 4.1 cm SL (female)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 61-70; Anal soft rays: 50 - 57; Vertebrae: 44 - 47. This species is distinguished by the following characters: vertebrae 11-12+33-35=44-47; fin rays, on dorsal 61-70, anal 50-57, pectoral 15-17, caudal 7-8; anterior dorsal fin ray above vertebra number 7-8, anterior anal fin ray below dorsal fin ray number 12-16, anterior anal fin ray below vertebra 13-16; small forward-curved spine at lower angle of preopercle, hidden by skin; fleshy interorbital width 4.5-7.0% SL; palatine teeth papillae-like or absent (Ref. 88975).

Biology     Glossary (e.g. epibenthic)

Found from near the surface to 55 meters in protected reef structures (Ref. 54832). Solitary inhabitant of reef crevices, cryptic (Ref 90102).

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

Main reference Upload your references | References | Coordinator | Collaborators

Schwarzhans, W. and J.G. Nielsen, 2011. Revision of the genus Microbrotula (Teleostei: Bythitidae), with description of two new species and a related new genus. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 27:147-160. (Ref. 88975)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki |

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5039   [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):  3.2   ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .