Redfin Bream
Monotaxis heterodon
- Usual depth4–10 m
- Water temperature25–29 °C
- Best monthsJuly, September, and October
- How commonOccasional
Photo credit: (c) Donald Davesne, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Monotaxis heterodon, the redfin emperor, is a species of marine ray-finned fish belonging to the family Lethrinidae, the emperors and emperor breams. This fish is found in the Indian and Western Pacific Oceans.
Text from the Wikipedia article “Monotaxis heterodon”, 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: 91 records
- February: 90 records
- March: 144 records
- April: 97 records
- May: 136 records
- June: 84 records
- July: 252 records
- August: 175 records
- September: 190 records
- October: 223 records
- November: 180 records
- December: 169 records
Depth and water temperature
Depth
Mostly recorded at 4–10 m · Deepest record: 15 m
Water temperature
Recorded in surface water of 25–29 °C
Photos
(c) Roger Rittmaster, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Martin Rady, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) luluchouette, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ben Costamagna, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Nicola Crockford, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) amfstocker, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Redfin Bream, Redfin Emperor
Names in 3 more languages
- French
- Empereur à quatre raies blanches, Perche à nageoires rouges
- Japanese
- Kagutsuchiyokoshimakurodai, カグツチヨコシマクロダイ
- Simplified Chinese
- 异牙单列齿鲷
Other scientific names: Pagrus heterodon
Similar species
Bigeye emperorMonotaxis grandoculis
Longspine emperorLethrinus genivittatus
Pink ear emperorLethrinus lentjan
Trumpet emperorLethrinus miniatus
Spangled emperorLethrinus nebulosus
Striped large-eye breamGnathodentex aureolineatus
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).
- 1,197 open-data records from 2002 to 2023.
- Species data updated November 4, 2026.
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