Johnston Island damsel
Plectroglyphidodon johnstonianus
- Usual depth5–21 m
- Water temperature22–30 °C
- Best monthsApril, August, and September
- How commonCommon
About this species
Plectroglyphidodon johnstonianus, commonly known as the Johnstone Island damselfish, is a species of damselfish from the Indo-Pacific. It occasionally makes its way into the aquarium trade. It grows to a size of 14 cm in length.
Text from the Wikipedia article “Plectroglyphidodon johnstonianus”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 375 records
- February: 1,175 records
- March: 1,634 records
- April: 2,604 records
- May: 1,284 records
- June: 835 records
- July: 939 records
- August: 1,689 records
- September: 2,129 records
- October: 1,589 records
- November: 286 records
- December: 49 records
Depth and water temperature
Depth
Mostly recorded at 5–21 m · Deepest record: 46 m
Water temperature
Recorded in surface water of 22–30 °C
Names and classification
- English
- Johnston Island damsel, Blue-eye Damsel, Johnston Damsel, Johnston Damselfish, Widebar Damsel
Names in 2 more languages
- French
- Demoiselle de Johnston
- Japanese
- Rurimeishigakisuzumedai, ルリメイシガキスズメダイ
Other scientific names: Plectroglyphidodon johnstonian, Plectroglyphidodon nitidus
Similar species
- Blackbar devil
Plectroglyphidodon dickii
- Dark Damsel
Plectroglyphidodon fasciolatus
Singlebar devilPlectroglyphidodon leucozona
- Brighteye damselfish
Plectroglyphidodon imparipennis
- Western Gregory
Plectroglyphidodon obreptus
- Phoenix devil
Plectroglyphidodon phoenixensis
Sources and credits
Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).
- Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 16,280 open-data records from 1924 to 2023.
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