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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/); krataios: Name from a Greek word meaning strong, sturdy, referring to the body build; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Tropical
Asia: Lower Kapaus basin in Kalimantan Barat, Indonesia.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm SL ذكر/ مختلط الجنس; (Ref. 57022)
الأشواك الظهرية (المجموع) : 1 - 2; الأشعة الظهرية الناعمة (المجموع) : 6 - 8; شوكة شرجية: 2 - 3; أشعه شرجية لينه: 19 - 22; فقرات: 29 - 31. Distinguished from Betta dimidiata (the only other member of the B. dimidiata group) in having the following combination of characters: iridescent turquoise opercle scales when live ( vs. gold); yellowish-brown body when live (vs. reddish); yellowish fins when live (vs. reddish); rounded caudal fin (vs. lanceolate); more lateral scales (30-32, vs. 29-30); more predorsal scales (20-21, vs. 17-18); deeper caudal peduncle (15.3-17.0% SL, vs. 11.8-14.5) (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 2024-2)
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): 3.2 ±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).