Glanapteryx is a genus of catfishes native to South America. Taxonomy Glanapteryx is a monophyletic genus. Glanapteryx has been proposed as the sister group to a clade composed of Pygidianops and Typhlobelus, with Listrura the sister group to those three. Species There are currently two recognized species in this genus: Glanapteryx anguilla Myers, 1927 Glanapteryx niobium de Pinna, 1998 Distribution and habitat G. anguilla originates from the Negro and Orinoco River basins of Brazil and Venezuela, growing to a length of about 6.1 centimetres (2.4 in) TL. G. niobium reaches about 5.5 cm (2.2 in). These species lack an anal fin. Glanapteryx anguilla has been found in small forest streams with sandy substrate covered by leaf litter. References Trichomycteridae Fish of South America Fish of Brazil Fish of Venezuela Freshwater fish genera Catfish genera Taxa named by George S. Myers