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> Atheriniformes (Silversides) > Melanotaeniidae (Rainbowfishes, blue eyes)
Etymology: Melanotaenia: Greek, melan, -anos = black + latin, taenia = stripe (Ref. 45335).

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

; agua dulce bentopelágico. Tropical; 22°C - 28°C (Ref. 2060); 13°S - 16°S

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Oceania: restricted in the Drysdale and King Edward River systems in the extreme northern portion of Western Australia, 500 km southwest of Darwin.

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 7.5 cm SL macho / no sexado; (Ref. 5259); 6.5 cm SL (female)

Inhabits large water courses and isolated rocky pools generally bordered with paperbark trees (Melaleuca) which have clear waters and minimal flow during the dry season (Ref. 2906, 44894). Large numbers congregate in shady pools around log snags and submerged branches (Ref. 44894). Feeds on insects and their larvae, small crustaceans and algae. Sympatric with M. splendida australis (Ref. 2906). Prefers the following aquarium conditions: pH=7, H=10, 24°C water temperature; is an egg layer and a peaceful community fish (Ref. 6398).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Distinct pairing (Ref. 205).

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)

IUCN Red List Status (Ref. 130435)

Endangered (EN) (B2ab(iii)); Date assessed: 01 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesquerías: de interés potencial; Acuario: Potencial

FAO - Publication: search | FishSource |

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Trophic ecology
componentes alimenticios
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Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Fuentes de Internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Nivel trófico (Ref. 69278): 3.0 ±0.37 se; based on food items.

Resiliencia (Ref. 120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Price category (Ref. 80766): Unknown.

Melanotaenia gracilis Allen, 1978