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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Geophaginae
Etymology: Gymnogeophagus: Greek, gymnos = naked + Greek, gea = the earth + Greek, phaegein, to eat (Ref. 45335); terrapurpura: Named for the novel of G. E. Hudson 'La Tierra Purpúrea' (as it is known in the Spanish translation), in which the main character makes a trip through the same region where the new species occurs; noun in apposition..
