The Acestridium triplax lives in the demersal, freshwater, depth range 0 - 1 m environment.
Acestridium triplax can be distinguished from other members of the genus in having a single series of middle abdominal plates between the lateral abdominal plates (all other Acestridium lack the middle abdominal plates). It most closely resembles A. More
Acestridium triplax, new species, is described from the Amazon River basin in ParĂ¡ State, Brazil. More