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Atheriniformes (Silversides) >
Melanotaeniidae (Rainbowfishes, blue eyes)
Etymology: Melanotaenia: Greek, melan, -anos = black + latin, taenia = stripe (Ref. 45335); ericrobertsi: Named in honour of Eric Roberts, a pilot with Associated Mission Aviation (AMA), Papua Province, Indonesia (Ref. 119199).
Eponymy: Eric Roberts is a pilot with Associated Mission Aviation, West Papua, New Guinea and an aquarium enthusiast and collector. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk; djupintervall 0 - 2 m (Ref. 119199). Tropical
Asia: Indonesia.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 5.2 cm SL (female)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 5 - 7; Mjukstrålar i ryggfenan (totalt) : 13 - 16; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 23 - 27. This species is distinguished by the following combination of characters: dorsal rays IV to VI + I, 13-16 (usually V + 1,14 or 15); anal rays 1,23-27 (usually 25 or 26); pectoral rays 13-15 (usually 14 or 15); lateral scales 37-39 (usually 38); transverse scales 9 or 10; predorsal scales 17-19; circumpeduncular scales 12 or 13; total gill rakers on first arch 15-19 (usually 17 or 18); total scales covering preoperculum 12-16 (mean 14.1); origins of first dorsal and anal fins about level; greatest body depth of adult male about 2.7-3.1 in SL; colour of adult male in life generally mauve to pale yellowish with orange stripe between each scale row on side of body; blackish zone on lower 2/3 of caudal peduncle and adjacent body above last few anal rays; blackish patch immediately behind pectoral-fin base; pelvic and median fins reddish with narrow white margin on dorsal fins (Ref. 119199).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Allen, G.R., P.J. Unmack and R.K. Hadiaty, 2014. Three new species of Rainbowfishes (Melanotaeniidae) from the Birds Head Peninsula, West Papua Province, Indonesia. aqua, Int. J. Ichthyol. 20(3):139-158. (Ref. 119199)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: av potentiellt intresse; Akvarium: Potentiell
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 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).
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.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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