. . "The relict splitfin (Xenoophorus captivus) is a species of splitfin endemic to the P\u00E1nuco River system in Mexico. It feeds on algae. This species grows to 6 centimetres (2.4 in) in length. It is found in the aquarium trade. It is the only known member of its genus."@en . "Relict splitfin"@en . . . "EN" . "IUCN2.3" . . .