Betta pugnax

Common Names: Forest Betta
Green Betta
Green Forest Betta
Malayan Betta
Penang Betta
Synonyms: Macropodus pugnax
Family: Osphronemidae
Category: Labyrinth_Fish
Distribution: Asia; Malaysia.
Main Ecosystem: Stream; Stream
Temperament: Territorial; Unlike the Siamese Fighting Fish, Betta pugnax males can be kept together. It is recommended to keep more males than females in an aquarium. During spawning the male will become extremely agressive.
Diet: Carnivore; Carnivore
Care: Feed flakes and frozen blood worms. Water movement in the aquarium is required, but surface agitation should be kept to a minimum. Lower lighting levels are recommended and can be achieved by adding some floating plants.
5 - 6
24°C - 28°C
75°F - 82°F
5 dH - 12 dH
Potential Size: Male: 12.7cm (5")
Female: 12.7cm (5")
Water Region: Surface; Surface
Activity: Diurnal; Diurnal
Gender: Males have extended fins and are more colourful.
Breeding: Betta pugnax is a mouth brooder, not a bubble-nest builder. The male and female will embrace at the bottom of the tank, and both the male and female will pick up eggs from the bottom of the tank. The eggs that the female collects, will be spit into the males mouth where he will take care of the eggs. Peat filtered water can aid in instigating breeding.
Comments: Often overlooked by aquarists who favour the brightly coloured Siamese Fighting Fish.
Main Colours:
Markings: Not Specified
Mouth: Upturned
Tail: Convex
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Image Credit: ©
Submitted By: Adam
Contributors: bettachris, sirbooks, Joe Potato
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