Acheilognathus barbatulus Günther 1873

Small maxillary barbels; body depth 2.5-2.7 times in SL (Ref. 43281).

Female has an ovipositor which is used to deposit eggs inside bivalves. Young remain in the bivalve until they can swim (Ref. 43281).

Dorsal soft rays (total): 10 - 13; Analsoft rays: 8 - 11

In subfamily Acheilognathinae (Genera Acheilognathus and Rhodeus ), female possesses an ovipositor which is used for depositing eggs inside the bivalves. Juveniles hatch and stay in the bivalve until they can swim (Ref. 43281).

Acheilognathus barbatulus is a species of freshwater ray-finned fish in the genus Acheilognathus. It is endemic to the Mekong river in Laos, northern Vietnam and southern China in waters between 8-20 °C and its maximum length is 8.4 cm.