Domino damselfish size: how big does it get?

Adults reach about 10 cm. The largest on record measured 14 cm (total length). The largest of the 4 Dascyllus species on LumaReef (Blacktail Humbug is the smallest, 8 cm).

Domino damselfish tank size: what is the minimum?

A tank at least 120 cm long. In LumaReef that is the Wide tank or larger.

Domino damselfish water parameters: what does it need?

Temperature 23–27 °C, pH 7.8–8.5. Close to what most Pomacentridae on LumaReef need (23–27 °C).

Domino damselfish tank mates: what can it live with?

It gets along with 38 of the 99 reef species in the catalogue, such as Flame angelfish, Coral beauty angelfish, and Potter's angelfish.

Domino damselfish depth: how deep does it live?

In the wild, 0 to 55 m down. Close to most Dascyllus on LumaReef (1–50 m).

ReefIn the market100 coinsCommon

Domino damselfish

Dascyllus trimaculatus

A cute ball with three white spots that darkens into a bully.

The Domino damselfish (Dascyllus trimaculatus) is a tropical marine fish of the family Pomacentridae. It lives on and around reefs, between 0 and 55 m deep. Adults grow to about 10 cm; the largest on record measured 14 cm (total length). In the aquarium it needs a tank at least 120 cm long and water at 23–27 °C.

Size: 10 cm
Smallest tank: 120 cm
Temperature: 23–27 °C
Care: Easy

In the aquarium

Temperature23–27 °C

pH7.8–8.5

Temperament: Aggressive
Diet: Omnivore
Activity: Busy
Water layer: Mid water
Group: Lives on its own
Coral: Reef safe

These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.

Which tank it fits

Nano60 cm · 65 litresToo small
Standard90 cm · 180 litresToo small
Wide120 cm · 300 litres21 of them
Living room180 cm · 650 litres46 of them
Showcase250 cm · 1,200 litres85 of them
Gallery300 cm · 1,440 litres102 of them

Who it lives with

Gets along38 species

and 14 more species

Caution13 species

Crowding the same layer

Not together48 species

In the wild

Water type: Marine
Climate zone: Tropical
Habitat: Coral and rocky reefs
Largest on record: 14 cmtotal length
Aquarium trade: Traded commercially

Depth

surface

0 m55 m

Conservation status

Classification

OrderBlenniiformes
FamilyPomacentridae
GenusDascyllus
SpeciesDascyllus trimaculatus
Described byRüppell, 1829

In other languages

English: Three-spot Dascyllus
German: Dreifleck-Preußenfisch
Spanish: Damisela de tres manchas
French: Demoiselle à trois points
Italian: damigella domino
Dutch: Fluwelen Juffertje
Russian: Трёхпятнистый дасцилл
Japanese: ミツボシクロスズメダイ
Chinese: 三斑圓雀鯛

Quick answers

Domino damselfish size: how big does it get?: Adults reach about 10 cm. The largest on record measured 14 cm (total length). The largest of the 4 Dascyllus species on LumaReef (Blacktail Humbug is the smallest, 8 cm).
Domino damselfish tank size: what is the minimum?: A tank at least 120 cm long. In LumaReef that is the Wide tank or larger.
Domino damselfish water parameters: what does it need?: Temperature 23–27 °C, pH 7.8–8.5. Close to what most Pomacentridae on LumaReef need (23–27 °C).
Domino damselfish tank mates: what can it live with?: It gets along with 38 of the 99 reef species in the catalogue, such as Flame angelfish, Coral beauty angelfish, and Potter's angelfish.
Domino damselfish: alone or in a group?: It can be kept on its own.
Domino damselfish and corals: is it reef safe?: Yes, it leaves corals alone.
Domino damselfish depth: how deep does it live?: In the wild, 0 to 55 m down. Close to most Dascyllus on LumaReef (1–50 m).