Classification / Names
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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Microbrotula: Greek, mikros = small + Latin, brotula, -ae = little, bud, shoot (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bentopelagisk; djupintervall 11 - 14 m (Ref. 88975). Tropical
Utbredning
Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri
Western Central Pacific: Endemic to Fiji.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 3.1 cm SL hane/ej könsbestämd; (Ref. 88975)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 62 - 70; Mjukstrålar i analfenan: 58 - 61; Ryggkotor: 45 - 47. This species is distinguished by the following set of characters: vertebrae 11-12 + 34-35 = 45-47; D 62-70, A 58-61, pectoral-fin rays 14, caudal-fin rays 6; anterior dorsal fin ray above vertebra 7-8; anterior anal fin ray below dorsal fin ray 14-15; anterior anal fin ray below vertebra 14; small forward-curved spine at lower angle of preopercle; head with separated scale patches on cheeks, operculum and occiput; papillae on lower jaw only; posterior mandibular pores absent; no lower preopercular pores; minute palatine teeth in single row; otolith length to otolith height, 2.0, otolith length to colliculum length, 2.4; male copulatory organ with 3 small papillae at base of genital hood (Ref. 88975).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 26.6 - 28.9, mean 27.4 °C (based on 69 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00179 - 0.01169), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
