Bicolor Chromis

About this species

Pycnochromis margaritifer, known commonly as the bicolor chromis, is a species of marine fish in the family Pomacentridae. The species was reclassified as Pycnochromis margaritifer in 2021, and is still listed under the former name Chromis margaritifer in some places.

Text from the Wikipedia article “Pycnochromis margaritifer”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 377 records
February: 2,134 records
March: 2,810 records
April: 3,035 records
May: 1,225 records
June: 1,123 records
July: 862 records
August: 530 records
September: 310 records
October: 500 records
November: 173 records
December: 67 records

Depth and water temperature

Depth

Mostly recorded at 6–23 m · Deepest record: 520 m

0–10 m: 2,684 records
10–20 m: 6,617 records
20–30 m: 2,594 records
30–40 m: 11 records
40–50 m: 6 records
50–60 m: 0 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 5 records

Water temperature

Recorded in surface water of 24–30 °C

22–24 °C: 1 records
24–26 °C: 19 records
26–28 °C: 167 records
28–30 °C: 662 records

Photos

(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Jan Ebr & Ivana Ebrová, some rights reserved (CC BY) · CC BY · iNaturalist
(c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist
(c) Jay Brasher, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Jay Brasher, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Oscar Dove, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Hugh Chan, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Bicolor Chromis, Half-and-half Puller, Whitetail Chromis, Whitetail Puller

Names in 3 more languages

French: Chromis bicolore du Pacifique
Japanese: Shikokusuzumedai, シコクスズメダイ
Simplified Chinese: 二色光鰓雀鯛, 双斑光鳃鱼, 雙斑光鰓雀鯛

Other scientific names: Chromis margarifer, Chromis margaritifer, Chromis margaritifera

Similar species

Agile Chromis
Pycnochromis agilis
Blackfin Chromis
Pycnochromis vanderbilti
Black-bar Chromis
Pycnochromis retrofasciatus
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).
12,152 open-data records from 1909 to 2023.
Species data updated October 26, 2026.