''Plectroglyphidodon johnstonianus'', commonly known as the Johnstone Island damselfish, is a species of
damselfish
Damselfish are those within the subfamilies Abudefdufinae, Chrominae, Lepidozyginae, Pomacentrinae, and Stegastenae within the family Pomacentridae. Most species within this group are relatively small, with the largest species being about 30 ...
from the
Indo-Pacific
The Indo-Pacific is a vast biogeographic region of Earth.
In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the ...
. It occasionally makes its way into the aquarium trade. It grows to a size of 14 cm in length.
References
* Randall, John E. – ''Reef and Shore Fishes of the Hawaiian Islands.''
External links
*
johnstonianus
Fish described in 1924
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