San Marcos Splitfin (Xenotoca doadrioi)
Fish in the family Goodeidae. Moderate care. Freshwater.
Quick facts
Scientific nameXenotoca doadrioi
FamilyGoodeidae
Also known asRedtail Splitfin (San Marcos), Doadrio's Splitfin
Care levelModerate
Reef safetyFreshwater
TemperamentSemi Aggressive
DietOmnivore
Adult size2.6 in
Minimum tank size30 gallons
Water parametersTemp 64-78°F, pH 7.0-8.0, GH 10-25 dGH
Appearance
Recently split from X. eiseni; males show an intense blue body and vivid orange-red caudal region. Among the most colorful goodeids.
Difficulty and care for the San Marcos Splitfin
Moderate
Origin and habitat
San Marcos, Jalisco, Mexico
Keeper notes
Fin-nipper like other Xenotoca; keep in a robust single-species group and avoid long-finned tankmates. Of conservation interest.
Log San Marcos Splitfin in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track San Marcos Splitfin alongside everything else in your reef.
