Bryaninops nexus, Upside-down goby

Bryaninops nexus Larson, 1987

Upside-down goby
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Bryaninops nexus   AquaMaps   Data sources: GBIF OBIS
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Image of Bryaninops nexus (Upside-down goby)
Bryaninops nexus
Picture by Allen, G.R.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
  More on author: Larson.

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

; seewasser riff-verbunden; tiefenbereich 3 - 50 m (Ref. 90102).   Subtropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Western Pacific: Japan and Australia.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 2.3 cm SL Männchen/unbestimmt; (Ref. 48637)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 7; Rückenflossenweichstrahlen (insgesamt): 7-8; Afterflossenstacheln 1; Afterflossenweichstrahlen: 7 - 8. Characterized by having semi-transparent body with dusky stripe on side of snout; presence of broad reddish brown stripe from rear eye to dorsal surface of abdomen and along ventral body to caudal fin base; pectoral rays unbranched and not thickened; longitudinal scale series 33-41; shallow cup, pelvic disc; opening of gill usually reaching to below middle or rear half of eye (Ref. 90102).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Occurs on lagoon reefs and hovers upside-down among thickets of the staghorn coral Acropora formosa (Ref. 37816, 48637). Often seen resting on underside of coral branches and makes short forays into water column to feed on planktons (Ref 90102).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Nakabo, T., 2002. Fishes of Japan with pictorial keys to the species, English edition II. Tokai University Press, Japan, pp 867-1749. (Ref. 43239)

IUCN Rote Liste Status (Ref. 123251)


CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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Estimates based on models

Preferred temperature (Ref. 115969): 26.1 - 28.9, mean 27.8 °C (based on 300 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00575 (0.00261 - 0.01268), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.1   ±0.3 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Verwundbarkeit (Ref. 59153):  Low vulnerability (10 of 100) .
Nutrients (Ref. 124155):  Calcium = 272 [100, 749] mg/100g ; Iron = 1.69 [0.80, 3.84] mg/100g ; Protein = 18.5 [16.5, 20.4] % ; Omega3 = 0.204 [0.084, 0.507] g/100g ; Selenium = 9.49 [3.29, 26.66] μg/100g ; VitaminA = 114 [24, 528] μg/100g ; Zinc = 2.26 [1.18, 4.31] mg/100g (wet weight);