Betta pugnax, Penang betta : aquarium

Betta pugnax (Cantor, 1849)

Penang betta
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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/)..

Environment: milieu / climate zone / depth range / distribution range Ecología

; agua dulce bentopelágico; pH range: 7.1 - 7.6; dH range: 5 - 12.   Tropical; 24°C - 28°C (Ref. 1672)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Asia: Malaysia, Singapore and Indonesia.

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 6.7 cm SL macho / no sexado; (Ref. 56613)

Short description Morfología | Morfometría

Espinas dorsales (total): 0 - 2; Radios blandos dorsales (total): 7-10; Espinas anales 1-2; Radios blandos anales: 24 - 26; Vértebra: 28 - 31. A member of the Betta pugnax species group that can be differentiated from other members by the following combination of characters: presence of chin-bar; absence of dark marks below postorbital stripe on opercle; presence of dorsal transverse bars; caudal transverse bars present only in male; greenish to bluish iridescent scales on opercle and body; red subdistal band and black edge on anal fin; absence of dark edge on caudal fin; anal fin rays 25-28 (mode 26); lateral scales 28-31 (mode 29); postdorsal scales 11-12 (mode 11); pelvic fin length 26.6-43.8% SL; head length 27.5-35.2% SL; inter-orbital width 32.4-53.0% HL (Ref. 56613).

Biología     Glosario (por ej. epibenthic)

Occurs in small fast flowing forest streams (Ref. 13061). Inhabits mainly overhanging bank vegetation, submerged leaf litter and exposed roots of bank vegetation (Ref. 13220, 56613). Mouth brooder (Ref. 13061).

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Spawns in a depression on the substrate. Male broods the eggs in his mouth until hatching (Ref. 13061). Produces a minimum of 100 eggs (Ref. 1672).

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Tan, H.H. and S.H. Tan, 1996. Redescription of the Malaysian fighting fish Betta pugnax (Teleostei: Belontiidae), and description of Betta pulchra, new species from Peninsular Malaysia. Raffles Bull. Zool. 44(2):419-434. (Ref. 13220)

IUCN Red List Status (Ref. 123251)

  Least Concern (LC) ; Date assessed: 18 January 2019

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Acuario: Comercial
FAO - Publication: search | FishSource |

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Fuentes de Internet

Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Género, Especie | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | Acuarios públicos | PubMed | Reef Life Survey | Socotra Atlas | Árbol de la vida | Wikipedia: Go, búsqueda | World Records Freshwater Fishing | Expediente Zoológico

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Nivel trófico (Ref. 69278):  3.3   ±0.4 se; based on size and trophs of closest relatives
Resiliencia (Ref. 120179):  Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Produces a minimum of 100 eggs (Ref. 1672)).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .