Semon's Goby (Stiphodon semoni)
Fish in the family Gobiidae. Moderate care. Freshwater.
Quick facts
Scientific nameStiphodon semoni
FamilyGobiidae
Also known asOpal Goby, Stiphodon semoni
Care levelModerate
Reef safetyFreshwater
TemperamentPeaceful
DietHerbivore
Adult size2 in
Minimum tank size20 gallons
Water parametersTemp 72-79°F, pH 6.5-7.5, GH 4-12 dGH
Appearance
Males flush turquoise-blue and green with orange fin highlights; females show two dark stripes.
Difficulty and care for the Semon's Goby
Moderate
Origin and habitat
Indo-Pacific, Southeast Asia
Keeper notes
Peaceful biofilm grazer; males display over algae territory without harming tankmates.
Log Semon's Goby 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 Semon's Goby alongside everything else in your reef.