Saltwater
Johnston Island damsel
Plectroglyphidodon johnstonianus
Pomacentridae, Microspathodontinae
Facts
Characteristics
- Length
- Up to 14 cm
- Body shape
- Deep-bodied
Care
- Group
- Missing
- Smallest aquarium
- 73 liters
- Diet
- Missing
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Behavior
Water values
Smallest tank
Range
Native
Lives wild in American Samoa, Australia, Christmas Island, Cocos (Keeling) Islands, Cook Islands, France, French Polynesia, Guam, and 28 more countries.
More about the species
Description
Adults are found clear water, inner to outer reef crests in rich coral habitat. Benthopelagic. Common in passages, frequently associated with Acropora, Stylophora, or Pocillopora coral heads or a single head of Pocillopora eydouxi (= Pocillopora grandis). Usually seen solitary. Feed on benthic algae and probably coral polyps. Oviparous, distinct pairing during breeding. Eggs are demersal and adhere to the substrate. Males guard and aerate the eggs. Diurnal species.
Other names
Other scientific names
- Plectroglyphidodon johnstonian
- Plectroglyphidodon nitidus
In other languages
- Blue-eye damsel, Johnston damsel, Johnston island damselfish, Widebar damsel
Articles
All articles
How to add new fish4 min read
From the store to the tank: how to get the fish used to your water, why you should add only a few at a time, and what to watch for in the first few days.
Quarantine for new fish3 min read
Why new fish should live in a tank of their own for a few weeks before they move in, what you need, and what to look for.
From freshwater to saltwater3 min read
What is different in a saltwater aquarium: salt, refractometer, live rock and corals. An introduction for anyone thinking of giving it a try.