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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/); lehi: Named for Charles M.U. Leh, curator of Zoology at the Sarawak Museum, in recognition of his kind help.
Eponymy: Dr Charles Leh Moi Ung is Curator of Zoology, Sarawak Museum Department and works with the Ministry of Environment and Tourism. [...] (Ref. 128868), visit book page.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar bentopelagis; pH range: 6.8 - ?. Tropical
Asia: restricted to the area southwest of Kuching, Malaysia and in the lower Kapuas basin in Kalimantan Barat, Indonesia.
Ukuran / Berat / umur
Kematangan: Lm ? range ? - ? cm
Max length : 6.1 cm SL jantan/; (Ref. 56613)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 1; duri punggung lunak (Keseluruhan (total)) : 8 - 10; Duri dubur: 2; Sirip dubur lunak: 23 - 27; vertebrata, bertulang belakang: 28 - 30. Chin bar absent. Dorsal fin transverse bars present. No Caudal fin transverse bars. Green iridescent scales on opercle and body. Anal fin with iridescent light blue distal border. Two black marks below postorbital stripe on opercle of female and juvenile. Anal-fin rays 25-29 (mode 28). Lateral scales 28-30 (mode 29). Postdorsal scales 10-11 (mode 11). Pelvic fin length 34.8-50.6% SL. Head length 33.4-36.8% SL. Interorbital width 31.7-37.4% HL (Ref. 56613).
Body shape (shape guide): fusiform / normal.
Facultative air-breathing (Ref. 126274); Found in peat swamp forests and acid water swamp forests. Occurs in quiets parts of streams among overgrown submerged bank vegetation (Ref. 56613).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Tan, H.H. and P.K.L. Ng, 2005. The fighting fishes (Teleostei: Osphronemidae: Genus Betta) of Singapore, Malaysia and Brunei. Raffles Bull. Zool. Supplement (13):43-99. (Ref. 56613)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
Rentan (VU) (B1ab(iii)); Date assessed: 17 January 2019
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00374 - 0.02675), b=2.97 (2.74 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Tingkat Trofik (Acuan
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Acuan
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Kerentanan Penangkapan Ikan (Ref.
59153): Low vulnerability (10 of 100).
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