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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/); ideii: Named after Takashige Idei, the intrepid fish collector and friend.
Eponymy: Takashige Idei is a Japanese researcher of the Betta genus. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Tropical
Asia: Kalimantan Selatan in Borneo, Indonesia.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 8.3 cm SL ذكر/ مختلط الجنس; (Ref. 57022)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
الأشواك الظهرية (المجموع) : 0 - 1; الأشعة الظهرية الناعمة (المجموع) : 8 - 9; شوكة شرجية: 1 - 2; أشعه شرجية لينه: 30 - 32. Presence of an orange patch in front of eye continuous to upper jaw when live (pale yellow to white when preserved, character shared with Betta patoti). Large males almost totally jet black or dark brown when preserved. Anal fin with 32-33 rays. Dorsal fin with 8-9 rays. Lateral line with 34 1/2-35 scales. Predorsal scales 25-27. Predorsal length 67.8-69.5% SL (Ref. 57022).
Facultative air-breathing (Ref. 126274)
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Tan, H.H. and P.K.L. Ng, 2006. Six new species of fighting fish (Teleostei: Osphronemidae: Betta) from Borneo. Ichthyol. Explor. Freshwat. 17(2):97-114. (Ref. 57022)
IUCN Red List Status (Ref. 130435: Version 2024-1)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00377 - 0.02651), b=2.97 (2.74 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).