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Bigeye emperor

Monotaxis grandoculis

  • Fish
  • IUCN: Least concern
  • Usual depth5–23 m
  • Water temperature24–30 °C
  • Best monthsApril, May, and September
  • How commonCommon
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About this species

Monotaxis grandoculis, commonly known as the humpnose big-eye bream, bigeye barenose, bigeye bream, bigeye emperor, grand-eyed porgy fish, humpnose sea-bream, large-eye bream, mu or roundtooth large-eye bream, is a species of marine ray-finned fish belonging to the family Lethrinidae, the emperors and emperor breams. This species is found in the Indian and Pacific Ocean.

Text from the Wikipedia article “Monotaxis grandoculis”, 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: 72 records
  • February: 913 records
  • March: 1,082 records
  • April: 1,355 records
  • May: 1,115 records
  • June: 682 records
  • July: 1,025 records
  • August: 929 records
  • September: 1,257 records
  • October: 389 records
  • November: 91 records
  • December: 47 records

Depth and water temperature

Depth

Mostly recorded at 5–23 m · Deepest record: 858 m

  • 0–10 m: 3,098 records
  • 10–20 m: 3,909 records
  • 20–30 m: 1,631 records
  • 30–40 m: 119 records
  • 40–50 m: 7 records
  • 50–60 m: 1 records
  • 60–70 m: 2 records
  • 70–80 m: 2 records
  • 80–90 m: 0 records
  • 90–100 m: 0 records
  • 100–110 m: 0 records
  • 110+ m: 2 records

Water temperature

Recorded in surface water of 24–30 °C

  • 22–24 °C: 2 records
  • 24–26 °C: 171 records
  • 26–28 °C: 107 records
  • 28–30 °C: 374 records

Names and classification

English
Bigeye emperor, Humpnose big-eye bream, bigeye barenose, Bigeye Bream, bigeye emperor, Bigeye Emperor, Humpnose big-eye bream, humpnose big-eye bream, roundtoothed large-eyed bream
Names in 4 more languages
Spanish
Emperador Jorobado
French
Brème aux gros yeux, Capitaine Bossu, Daurade tropicale, Dorade à Gros Yeux, Empereur Bossu, Empereur bossu, Capitaine bossu, Gueule pavée, Gueule Pavée
Japanese
Yokoshimakurodai, ヨコシマクロダイ
Simplified Chinese
单列齿鲷, 單列齒鯛, 大眼黑鯛

Other scientific names: Lethrinus grandoculis, Lethrinus latidens, Monotaxis grandocculis, Monotaxis grandocularis, Monotaxis grandoculus, Monotaxis indica, Sciaena grandoculis

Similar species

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).
  • 11,522 open-data records from 1902 to 2023.

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