Betta pi
Tan 1998

Betta pi [3]

Keeping Betta pi from an Aquarist View


Betta pi can be housed in pairs, species tanks, and community tanks.  Pairs can be housed in a 20 gallon tank, groups should be housed in a 55 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.

Water Conditions

Betta pi should have soft acidic water that is well filtered.  They should be kept at mid 70s F.


Males are more intensely colored.  Males also have pointed dorsal and anal fins whereas females are rounder.


Pi is a paternal mouthbrooder.

Similar Species Similar species would be all waseri complex members.
Identification Identification is based upon the face stripes.

Articles on Betta pi

Big, Yellow Mouthbrooders Stefan vd. Voort.  2003.

My Attempts at Spawning Betta pi  Gerald Griffin.   Flare! 2006.

Articles on related species

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

Working with wild Bettas Gerald Griffin.  Flare! 2006

Original Citation Tan, H. H. 1998. [100]
References Panitvong, Nonn. 2001.[78] Froese, R. and D. Pauly. 2002. [126]
Type Locality Mae Nam Tod Deng, ca. 6 km north of Sungai Kolok, swamps ca. 100-200 m south before bridge, Narathiwat Prov., Thailand.
Holotype ZRC 40289
Paratype CMK 12030 (3), 13025 (3)
ZRC 40290-92 (2, 6, 18)
Where Found Countries: Thailand
Known Occurrences: Thailand: Peat swamp forest 12 km southwest of Tak Bai.
Miscellaneous Information Max Size: 6.02 cm SL
Differentiation from similar species: Distinguished from the other members of the B. waseri group in having the following combination of characters: a pi-shaped black pattern on the throat; a distinct median longitudinal stripe on the anal-fin in adults and juveniles; and a distinct dark blue distal margin on anal-fin in both sexes. [100]

Collected from swamps, from an open area of cleared peat swamp forest, with very soft and deep (up to 1.3 m ) substrate. [126]

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