Threespot dascyllus

Dascyllus trimaculatus

The threespot dascyllus, also known as the domino damsel or simply domino, is a species of damselfish from the family Pomacentridae. It is native to the Indo-Pacific from the Red Sea and East Africa, to the Pitcairn Islands, southern Japan, and Australia.
Threespot dascyllus - Dascyllus trimaculatus Babies hiding under a Saddle or Haddon's carpet Anemone (Stichodactyla haddoni). Dascyllus trimaculatus,Fall,Geotagged,Indonesia,Threespot dascyllus

Appearance

Its grey to black body has two lateral white spots and one between the eyes; the threespot dascyllus' grows up to 13 cm in length. Coloration is somewhat variable; the spot on the forehead may be absent and the lateral spots very much reduced. It feeds on algae, copepods and other planktonic crustaceans.
Threespot dascyllus - Dascyllus trimaculatus For once I get one looking at me! Dascyllus trimaculatus,Fall,Geotagged,Indonesia,Threespot dascyllus

Naming

"Trimaculatus", meaning "three-spotted", refers to the fish's three white spots. This accounts also for the common name "domino".
Threespot Dascyllus - Dascyllus trimaculatus The Threespot Dascyllus - Dascyllus trimaculatus got its name as when at juvenile phase, they have 2 whitespots on the side of its body and another white spot on the forehead. However, this spots disappears as they gets bigger and eventually, as adults, they do not have any more white spots anymore. Anilao,Batangas,Dascyllus trimaculatus,Fish,Philippines,Threespot dascyllus

Habitat

Generally, adults are found in small groups around coral heads or large rocks. Juveniles may be found associated with large sea anemones or sheltering between the spines of diadema sea urchins or branching corals. May be found up to depths of 55 m.

References:

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Taxonomy
KingdomAnimalia
DivisionChordata
ClassActinopterygii
OrderCichliformes
FamilyPomacentridae
GenusDascyllus
SpeciesD. trimaculatus
Photographed in
Indonesia
Malaysia
Philippines