Akarensis

Betta akarensis, the Akar betta, is a species of gourami endemic to south-east Sarawak, and whose species name akar was so named after where it was originally found in the river Sungai Akar. This species is a mouthbrooder,^[4] and grows to a length of 10 centimetres (3.9 in) SL. According to Linke, they "live predominantly in mineral-poor, slightly acid water enriched with humic substances".^[5]