Classification / Names
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Atheriniformes (Silversides) >
Melanotaeniidae (Rainbowfishes, blue eyes)
Etymology: Melanotaenia: Greek, melan, -anos = black + latin, taenia = stripe (Ref. 45335); jakora: Named for the village of Jakora, the closest named locality..
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; djupintervall 0 - 1 m (Ref. 130430). Tropical
Utbredning
Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri
Asia: Indonesia.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 6.3 cm SL hane/ej könsbestämd; (Ref. 130430)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 4 - 6; Mjukstrålar i ryggfenan (totalt) : 9 - 12; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 18 - 22. This species is distinguished from its congeners by the following set of characters: D IV (III–V) +
I,10 (9-12); A I,20 (18-22); gill rakers on lower limb of first arch 14 (11-17); dorsal and anal fins are elongated in adult males, tips reaching base of caudal fin. Colouration: no dark margins of the scales, reflective blue shine of the body, solid midlateral stripe with no color disruptions (Ref. 130430).
Found in a small rainforest creek crossing the road from Meyado to the village of Jakora. The collection site with water dark with tannin. Its typical habitats were characterized by muddy substrate and without submerged aquatic vegetation. It was recorded in undisturbed habitats that are partially covered by forest canopy, and in disturbed sites open to sunlight. Water parameters were 26.4 °C, 30 uS, pH 6.4, with hardness below measurability. The only associated fish species was another unidentified Melanotaenia sp. (Ref. 130430).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Graf, J.A., H.L. Ohee, F. Herder and H. Haryono, 2023. A new species of rainbowfish (Melanotaeniidae), Melanotaenia jakora, from Western New Guinea (Papua Barat Province, Indonesia). Fishes of Sahul 37(2):2063-2068. (Ref. 130430)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Trofisk nivå (Ref.
69278): 2.9 ±0.4 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).
