Classification / Names
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Atheriniformes (Silversides) >
Melanotaeniidae (Rainbowfishes, blue eyes)
Etymology: Melanotaenia: Greek, melan, -anos = black + latin, taenia = stripe (Ref. 45335); garylangei: Named for Gary William Lange, a well-known rainbowfish enthusiast who first discovered this species.
Eponymy: Gary William Lange (d: 1954) is an American rainbowfish enthusiast in St Louis, USA. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce benthopelagico. Tropical
Asia: West Papua Province, Indonesia.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 7.8 cm SL maschio/sesso non determinato; (Ref. 113073)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 5 - 7; Raggi dorsali molli (totale) : 12 - 15; Spine anali: 1; Raggi anali molli: 16 - 20. Melanotaenia garylangei is distinguished by the following combination of characters: dorsal fin rays IV-VI + I,12-15; anal fin rays I,16-20; in life, adult males have a blue nape and an olive green upper side, a midlateral blackish stripe covering two rows of scales of which the line above the upper scale row is regularly broken and the scales are of greenish, 1-2 red stripes above and below the mid-lateral stripe; second dorsal, pectoral, anal and middle portion of caudal fin red; and dorsal and anal fins elongated in males (Ref. 113073).
Found in small rainforest creeks. The collection sites have clear and tannin-stained water. The typical habitats were composed of muddy substrate, with only one site consisting of submerged aquatic vegetation (Barclaya sp.) . Undisturbed habitats were partially covered by forest canopy, whereas disturbed sites were exposed to sunlight. Occurs together with Melanotaenia goldiei, Melanotaenia rubrostriata, Pseudomugil sp., and Ambassis agrammus. Prefers shallow (10-20 cm depth) areas usually covered with floating grass. Attains sexual maturity at approximately 2.5 cm SL and age of 6 months based on aquarium observations (Ref. 113073).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Graf, J.A., F. Herder and R.K. Hadiaty, 2015. A new species of rainbowfish (Melanotaeniidae), Melanotaenia garylangei, from western New Guinea (Papua Province, Indonesia). Fishes of Sahul 29(2):870-881. (Ref. 113073)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
