Kronichthys lacerta is a species of armored catfish endemic to Brazil where it occurs in the Baia de Paranaguá and Ribeira de Iguape River basins. This species grows to a length of SL. References Loricariidae Taxa named by John Treadwell Nichols Catfish of South America Endemic fauna of Brazil Freshwater fish of Brazil Environment of Paraná (state) Environment of São Paulo (state) Fish described in 1919