Hoplisoma rikbaktsa

A dark facial mask and a thin, sometimes fragmented lateral stripe are conspicuous.

A dark facial mask and a thin, sometimes fragmented lateral stripe are conspicuous; mature males develop small odontodes around the cheeks, shoulder and pectoral spines.

Adult length

Up to 3.8 cm (standard length, without the tail fin)

Lifespan

5–10 years

Natural habitat

Native to the Juruena River basin in Brazil.