Taxonomy & naming
This is an undescribed form: no scientific name, authority or type material stands behind it, and its identity and range are not documented in the sources the atlas uses. Wet Spot lists it both as Betta sp. "Antuta" and as "Betta antuta", and the atlas treats the form as undescribed.
Morphology
Wet Spot gives an average adult size of 3.5–4 in (about 3.5–4 in) and calls it a rare, vibrant betta. No colour description is held.
Habitat
Wet Spot states that it is native to Borneo. Betta of Borneo live in forest streams and swamps, often in acidic water (genus-level).
Feeding
Wet Spot calls it an insectivore, fed mainly on frozen daphnia, brine shrimp or bloodworms, and says it can be taught to take flake. The seller warns against overfeeding.
Mating
Betta are either bubble-nesters or mouthbrooders depending on the species (genus-level). Which this form is is not documented.
Breeding
No captive-breeding record for this form is held by the atlas.
In the aquarium
Wet Spot lists a minimum of 29 US gallons (about 30 US gal) for a pair and 40 US gallons (about 40 US gal) for a group, pH 5–7.5, 70–80°F, and acidic to neutral hardness. It calls the fish territorial, with males aggressive to each other, and suggests small peaceful cyprinids or loaches as tankmates. It recommends clear water with cover.
Conservation
No IUCN assessment exists for this undescribed form, and its range and numbers are not documented, so its conservation status cannot be stated.