Classificatie / Namen
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Anabantiformes (Gouramies, snakeheads) >
Osphronemidae (Gouramies) > Macropodusinae
Etymology: Betta: Malay/Javanese origin. Bleeker (1850, 1858) indicates Ikan Wadder Bettah as the local name of Betta trifasciata Bleeker, 1849 (now Betta picta, Valenciennes, 1846) in the Ambarawa Javanese dialect. Ikan Wader is a common Javanese name for smaller freshwater fishes, especially cyprinids (already used in Old Javanese). See Blust, R. & Trussel, S. Austronesian Comparative Dictionary. Web Edition (https://www.trussel2.com/acd/); andrei: Name 'andrei' in honor of Andre Chandra, an intrepid fish collector and enthusiast who assisted the author in procuring specimens and information.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch. Tropical
Asia: Indonesia.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 5.1 cm SL mannelijk / geslacht onbekend; (Ref. 137640)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 1; Dorsale zachte stralen (totaal) : 8; Anale stekels: 1; Anale zachte stralen: 29; Wervels: 33. This species is distinguished by the following set of characters: black lower jaw, continuous with large black pitcher-shaped mark on throat, ending with a protrusion on buccal membrane; opercle uniform brown with dark brown mottling along posterior margin, operculum without lower distal margin black; faint black transverse bars on the dorsal and caudal fin interradial membranes; dark distal border on anal fin absent; 35 lateral scales; lateral scale 18 below the dorsal-fin origin, lateral scale 6 above the anal-fin origin; predorsal scales 22; postdorsal scales 11 (Ref. 137640).
Body shape (shape guide): fusiform / normal; Cross section: oval.
Facultative air-breathing
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Tan, T.H., 2023. A new species of black water fighting fish from Singkep Island (Teleostei:
Osphronemidae). Raffles Bulletin of Zoology 71:491-495. (Ref. 137640)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00977 (0.00360 - 0.02649), b=2.97 (2.74 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |