Chinese Gudgeon
Bostrychus sinensis
- Usual depth1–1 m
- Water temperature18–30 °C
- Best monthsMay, August, and September
- How commonRare
Photo credit: (c) coenobita, some rights reserved (CC BY) · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 4 records
- February: 9 records
- March: 6 records
- April: 6 records
- May: 13 records
- June: 7 records
- July: 10 records
- August: 15 records
- September: 14 records
- October: 11 records
- November: 7 records
- December: 2 records
Depth and water temperature
Depth
Mostly recorded at 1–1 m · Deepest record: 2 m
Water temperature
Recorded in surface water of 18–30 °C
Names and classification
- English
- Chinese Gudgeon, Four-eyed Sleeper
Names in 3 more languages
- Japanese
- Janomehaze, ジャノメハゼ
- Thai
- ปลาบู่หางจุด
- Simplified Chinese
- 中華烏塘鱧
Other scientific names: Bostrichthys sinensis
Similar species
Duckbill sleeperButis butis
Ambon GudgeonButis amboinensis
Mud sleeperButis koilomatodon
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.
- Conservation status as published by GBIF (IUCN Red List).
- 172 open-data records from 1929 to 2014.
- Species data updated October 26, 2026.
Log what you see on your next dive
The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.