Classification / 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/); compuncta: From Latin word 'compuncta', feminine past participle of the Latin verb 'compungere', to prick, to puncture, hence the verb 'notis compungere', to brand, to tattoo, referring to the distinct black pattern on the body, usually in females; as adjective.
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक; pH range: 3.7 - 5.3. Tropical
Asia: Kalimantan Timur in Borneo, Indonesia.
आकार / वज़न / Age
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 6.2 cm SL पुल्लिंग / अलिंग; (Ref. 57022)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण) : 0; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 8 - 10; गुदा कांटा: 0 - 1; ऐनल सौफट रेज़: 27 - 29; जानवरों की रीड़ का जोड़: 31 - 32. Presence of the distinct black reticulated pattern up to 5 scale rows in depth on side of body above anal-fin base in females and juveniles, black patch in males. Lower half of caudal fin and posterior half of anal fin in females with orange or yellow subdistal band when live, pale band when preserved. Anal-fin with 28-30 rays. Dorsal fin with 8-10 rays, no spine. Lateral line with 32-34 scales. Predorsal scales 21-23. Predorsal length 64.4-68.0 % SL (Ref. 57022).
Body shape (shape guide): fusiform / normal.
Facultative air-breathing (Ref. 126274); Inhabits mainly slow flowing small streams in swampy areas of the heath forest, although it can also be found in faster flowing larger tributaries (Ref. 57022). Occurs in these habitats with very acidic waters due to the presence of subterranean and surface coal (Ref. 57022).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
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 2025-1)
Threat to humans
Harmless
Human uses
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (संदर्भ
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).
Trophic level (संदर्भ
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
लौटाव (संदर्भ
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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