rocks. Lithoxus have a unique air-holding stomach. Lithoxus (along with its sister, Exastilithoxus) are fairly unusual among loricariids in that they subsist entirely on a diet of insect larvae. The large size and small number of eggs suggest that parental care is well developed, but nothing is known of the breeding habits of Lithoxus. References Ancistrini Fish of South America Fish of Brazil Fauna of the Guianas Fish of French Guiana Fish of Suriname Catfish genera Taxa named by Carl H. Eigenmann Freshwater fish genera