Goodeidae

San Marcos Redtail Splitfin

Xenotoca doadrioi

Three Point Seven Centimeters Goodeid Fish from Central American Waters

• Red
• Tropical
• Local endemic species
• Restricted distribution
• Freshwater fish
• Central America and the Caribbean
• North America
• Fusiform
• Small
• Tropical fish

Xenotoca doadrioi or San Marcos redtail splitfin is a bony fish species in the goodeid family. Until 2016 it was considered to be a variant of the redtail goodeid, X. eiseni, sometimes referred to as the San Marcos variant. A 2016 study by Omar Dominguez-Dominguez, et al.