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Teleostei (teleosts) > 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 Ecology

Freshwater; benthopelagic. Tropical; 6°S - 8°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Oceania: known only from the Pima River at the junction with the Tua River in the Southern Highlands, Papua New Guinea.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref. 6398); common length : 6.0 cm SL male/unsexed; (Ref. 2847)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 12 - 17; Anal spines: 1; Anal soft rays: 20 - 24.

Inhabits headwater mountainous streams with an elevation of more than 800 m in a relatively broad (1 km width) valley (Ref. 2847). An egg laying omnivore which prefers rock, plant and driftwood cover and the following aquarium conditions: pH=7.5, H=10, 26°C water temperature (Ref. 6398).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Distinct pairing (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

Kailola, P.J., 1987. The fishes of Papua New Guinea. A revised and annotated checklist. Vol. 1. Myxinidae to Synbranchidae. Research Bulletin No. 41. Department of Fisheries and Marine Resources, Port Moresby, Papua New Guinea. 194 p. (Ref. 6993)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 06 December 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest; aquarium: commercial

FAO - Publication: search | FishSource |

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Trophic ecology
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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=0.01000 (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

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).

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

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