Black-bar Chromis
Pycnochromis retrofasciatus
- Usual depth6–26 m
- Water temperature24–30 °C
- Best monthsMarch, May, and June
- How commonOccasional
Photo credit: no rights reserved · CC0 1.0 · iNaturalist
About this species
Pycnochromis retrofasciatus, the black-bar chromis, is a Chromis from the Western Pacific Ocean. It occasionally makes its way into the aquarium trade. It grows to a size of 4 cm in length.
Text from the Wikipedia article “Pycnochromis retrofasciatus”, 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: 72 records
- February: 34 records
- March: 76 records
- April: 59 records
- May: 92 records
- June: 121 records
- July: 52 records
- August: 31 records
- September: 60 records
- October: 73 records
- November: 76 records
- December: 34 records
Depth and water temperature
Depth
Mostly recorded at 6–26 m · Deepest record: 43 m
Water temperature
Recorded in surface water of 24–30 °C
Photos
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ben Costamagna, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Pierre Pericard, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Black-bar Chromis, Blackbar Chromis, Black-bar Puller, Blackbar Puller
Names in 3 more languages
- French
- Chromis à écharpe noire
- Japanese
- Kuroobisuzumedai, クロオビスズメダイ
- Simplified Chinese
- 黑帶光鰓雀鯛
Other scientific names: Chromis retrofasciata, Chromis retrofasciatas, Chromis retrofasciatus
Similar species
Bicolor ChromisPycnochromis margaritifer
- Agile Chromis
Pycnochromis agilis
- Blackfin Chromis
Pycnochromis vanderbilti
- Ambon Chromis
Pycnochromis amboinensis
- Dark-fin Chromis
Pycnochromis atripes
- Bicolor Damselfish
Pycnochromis dimidiatus
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).
- 406 open-data records from 1968 to 2023.
- Species data updated October 26, 2026.
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