Classificação / Names
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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/).; midas: The specific epithet is an allusion to the Greek Midas, a mythical king whose touch turned everything to gold, arising from the iridescent gold opercle and body scales. A noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico; pH range: 4.1 - ?; intervalo de profundidade 0 - 2 m (Ref. 81926). Tropical
Asia: lower Kapuas basin in west Kalimantan, Indonesia; possibly Sambas river basin; and extreme western part of Sarawak, in heathforest streams near the town of Lundu.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 6.6 cm SL macho/indeterminado; (Ref. 81926)
Descrição suscinta
Morfologia | Morfometria
Espinhos dorsais (total): 1; Raios dorsais (total): 8-10; Espinhos anais 1-2; Raios anais : 25 - 29; Vértebras: 31 - 32. Can be distinguished in possessing the following combination of characters: relatively thick-set body (body depth 24.3-29.0 % SL); head devoid of pattern except for black stripe that runs from black lower lip, through eye to edge of opercle; opercle with gold iridescent scales when live; belly and body with gold iridescent scales; some median caudal rays projecting beyond fin margin (Ref. 81926).
Facultative air-breathing (Ref. 126274); A paratype series was collected from a blackwater river running through remnant and intact peat swamp forest, with pH 4.1(Ref. 81926).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Tan, H.H., 2009. Redescription of Betta anabatoides Bleeker; and a new species of Betta from West Kalimantan, Borneo (Teleostei: Osphronemidae). Zootaxa 2165:59-68. (Ref. 81926)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
Mais informação
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Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00376 - 0.02663), b=2.97 (2.75 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
