Lamontichthys filamentosus is a species of armored catfish found in the Amazon basin of Bolivia, Brazil and Peru. This species grows to a length of SL. They are found primarily on the northern ridge of the Marañón River as well as in the Inambari River. References Harttiini Fish of South America Fish of Bolivia Fish of Brazil Fish of Peru Taxa named by Francesca LaMonte Fish described in 1935