Black splitfin (Xenotoca melanosoma), first described by Fitzsimons, 1972 is a small fish in the family Goodeidae (order Cyprinodontiformes). Adults typically reach 8.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds primarily on plankton, plant material, and detritus. On the IUCN Red List, it is classified as Endangered.
Physical description for Black splitfin is currently being compiled.
Behavioural data for Black splitfin is currently being reviewed.
Freshwater; demersal. Tropical North America: Mexico.
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