Red-bellied Fusilier

Caesio cuning

Fish
IUCN: Least concern

Usual depth10 m
Water temperature24–30 °C
Best monthsOctober
How commonCommon

Photo credit: (c) Rickard Zerpe, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Caesio cuning, the redbelly yellowtail fusilier, yellowtail fusilier, red-bellied fusilier or robust fusilier, is a species of marine ray-finned fish, a fusilier belonging to the family Caesionidae. It is native to the Indian and Western Pacific Oceans.

Text from the Wikipedia article “Caesio cuning”, 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: 151 records
February: 114 records
March: 120 records
April: 107 records
May: 137 records
June: 130 records
July: 142 records
August: 120 records
September: 164 records
October: 2,060 records
November: 166 records
December: 163 records

Depth and water temperature

Depth

Mostly recorded at 10 m · Deepest record: 86 m

0–10 m: 121 records
10–20 m: 1,905 records
20–30 m: 69 records
30–40 m: 67 records
40–50 m: 9 records
50–60 m: 3 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 3 records

Water temperature

Recorded in surface water of 24–30 °C

22–24 °C: 1 records
24–26 °C: 39 records
26–28 °C: 33 records
28–30 °C: 429 records

Photos

(c) Donald Davesne, some rights reserved (CC BY) · CC BY · iNaturalist
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) datadan, some rights reserved (CC BY) · CC BY · iNaturalist
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Ditch Townsend, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Red-bellied Fusilier, Redbelly yellowtail fusilier, Robust Fusilier, Yellow-tail Fusilier, Yellowtail Fusilier

Names in 4 more languages

Spanish: fusilero vientre colorado
French: Caesio à ventre rouge
Japanese: Yumeumeiro, ユメウメイロ
Simplified Chinese: 烏尾冬仔，赤腹烏尾鮗, 黃尾梅鯛, 黃尾烏尾鮗

Other scientific names: Caesio cunning, Caesio erythrochilurus, Caesio erythrogaster, Cichla cuning, Sparus cuning

Similar species

Blue and gold fusilier
Caesio caerulaurea
Lunar fusilier
Caesio lunaris
Yellow and blueback fusilier
Caesio teres

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).
4,745 open-data records from 1791 to 2023.
Species data updated October 26, 2026.

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