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Betta krataios

Tan & Ng 2006

Betta sp. Kapuas
Betta krataios
Photo by TEAM BORNEO [6]

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Keeping Betta krataios from an Aquarist View


Betta krataios can be housed in pairs, species tanks, and community tanks.  Pairs can be housed in a 10 gallon tank, groups should be housed in a 20 gallon tank or larger.  Pairs should be given cover such as caves and plants.  In a pair or species situation it is possible that fry could be discovered in the tanks.  For best results remove a brooding male.

Water Conditions

Not critical, krataios is very tolerant of water chemistry and thrives in almost any type of water as long as it is clean and well filtered.  They should be kept at cool to mid 70s F.


Krataios males are more intensely colored then females.  Males may also show a brilliant band in the anal and tail fins.  Females ovaries might be visible via spotlighting. 


Krataios is a paternal mouthbrooder and the male incubates from 7 to 12 days with 9 days being very consistent.  Incubation time can vary with water temperature.  Females normally initiate spawning. 

Similar Species Similar species would be dimidiata. 
Identification Krataios has a rounded caudal fin where as dimidiata has a tail extension.   

Articles on Betta krataios


Articles on related species

I’ve Got a New Mouthbrooding Betta – Now What? Michael Hellweg. 2003.

Working with wild Bettas Gerald Griffin.  Flare! 2006

Miscellaneous Information locality: Kapuas river basin. [6]
water quality: pH 5.5-6.5/GH0-1/KH0-1/ light brown water. [6]
water temp: 28 [6]

Betta sp. Kapuas    
Betta sp. Kapuas
Photo by TEAM BORNEO [6]
Betta sp. Kapuas female
Photo by 2000 Michael Schlüter [2

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