White Beard Bitterling (Acheilognathus sp.) – Distinctive Freshwater Beauty

The White Beard Bitterling is a captivating and rare variant within the Acheilognathus genus, named for the delicate white markings around its mouth and lower head region that resemble a beard. This peaceful, small freshwater fish is native to East Asian streams and rivers, prized by aquarists for its unique appearance and calm temperament. Like other bitterlings, it has a fascinating breeding behavior involving freshwater mussels.

Features

• Size: Typically 5–7 cm in length.

• Origin: Freshwater streams in East Asia (exact locality may vary).

• Coloration: Notable white “beard”-like markings on the lower head with subtle body hues.

• Behavior: Peaceful and social; best kept in groups.

Care Instructions

• Tank Setup: A planted aquarium with gentle water flow, hiding spots, and clean substrate mimicking natural habitat.

• Water Parameters: Temperature between 18–24 °C, pH 6.5–7.5, soft to moderately hard water.

• Social Needs: Shoaling species—keep at least 6 individuals together.

• Breeding: Requires freshwater mussels to spawn, where eggs are safely deposited inside mussel gills.