Actinopteri (ray-finned fishes) > Atheriniformes
(Silversides) > Melanotaeniidae
(Rainbowfishes, blue eyes)
Etymology: Glossolepis: Greek, glossa = tongue + Greek, lepis = scale (Ref. 45335).
More on authors: Weber & deBeaufort.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic; pH range: 6.2 - 6.8; dH range: 8 - ?. Tropical; 26°C - 30°C (Ref. 2060); 2°S - 3°S
Asia and Oceania: New Guinea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm SL male/unsexed; (Ref. 2847); 10.0 cm SL (female)
Inhabits swampy lagoons, lakes and small side channels of large rivers (Ref. 2847). The only known floodplain dwelling rainbowfish. Carnivorous, feeds mainly on small invertebrates taken from mid-water or from surface water (Ref. 46864).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Allen, G.R., 1991. Field guide to the freshwater fishes of New Guinea. Publication, no. 9. 268 p. Christensen Research Institute, Madang, Papua New Guinea. (Ref. 2847)
IUCN Red List Status (Ref. 125652)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= 0.5020 [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
Trophic level (Ref. 69278
): 2.7 ±0.39 se; based on food items.
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).