Beach conger
Conger japonicus
- Usual depth2–30 m
- Water temperature20–27 °C
- Best monthsJanuary, May, and July
- How commonRare
About this species
The whitespotted conger is a marine conger eel, widespread in the northwest Pacific Ocean off the coasts of Japan, North Korea, South Korea, China, Taiwan, and the Philippines. It is a commercially important species.
Text from the Wikipedia article “Whitespotted conger”, 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: 1 records
- February: 0 records
- March: 0 records
- April: 0 records
- May: 1 records
- June: 0 records
- July: 1 records
- August: 1 records
- September: 0 records
- October: 0 records
- November: 0 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 2–30 m · Deepest record: 30 m
Water temperature
Recorded in surface water of 20–27 °C
Names and classification
- English
- Beach conger, swarthy conger
Names in 1 more languages
- Japanese
- クロアナゴ
Similar species
CongerConger conger
Longfin African congerConger cinereus
Whitespotted congerConger myriaster
CongerConger verreauxi
Cape congerConger wilsoni

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).
- 70 open-data records from 1879 to 2013.
- Species data updated November 1, 2026.
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