Redtail Splitfin (Xenotoca eiseni)
Fish in the family Goodeidae. Moderate care. Freshwater.
Quick facts
Scientific nameXenotoca eiseni
FamilyGoodeidae
Also known asRedtail Goodeid, Red-tailed Goodeid, Fire-tail Goodeid
Care levelModerate
Reef safetyFreshwater
TemperamentSemi Aggressive
DietOmnivore
Adult size2.8 in
Minimum tank size30 gallons
Water parametersTemp 64-78°F, pH 7.0-8.0, GH 10-25 dGH
Appearance
Stocky goodeid; mature males develop a steel-blue front half and a brilliant orange-red caudal region and tail base. Females duller grey.
Difficulty and care for the Redtail Splitfin
Moderate
Origin and habitat
Western Mexico (Rio Grande de Santiago basin)
Keeper notes
Notorious fin-nipper; will chew long-finned tankmates and chase. Keep in a larger group of its own kind to diffuse aggression; avoid guppies/bettas.
Log Redtail 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 Redtail Splitfin alongside everything else in your reef.
