
Three Spot Domino Damselfish
Dascyllus trimaculatus
DamselfishSaltwaterAggressiveSchoolingCommunity SafeMid-Dweller
Care Sheet
Volume
Length
Temp
Temperature
22–26°C
pH Range
8.1-8.4
Min Tank Size
114 L
Max Adult Size
5.5 cm
Bioload Weight4/10
Special requirements
Commensal Relationships
Juveniles are often commensal with large sea anemones (specifically Stichodactyla species), sea urchins, or small coral heads.
Age-Related Aggression
While bright spots fade with age, the fish becomes increasingly active and aggressive; it is best housed with larger, capable tankmates.
Environmental Hardiness
Known for its ability to tolerate substandard water parameters, making it a frequent choice for beginning hobbyists.
Nesting Defense
Males exhibit distinct parental care by guarding and aerating demersal eggs until they hatch.
Track Three Spot Domino Damselfish in your tank with Mahiyar.