Northern mud gudgeon
Ophiocara porocephala
- Usual depth0–5 m
- Water temperature23–30 °C
- Best monthsAugust, September, and October
- How commonOccasional
About this species
Ophiocara is a genus of fishes in the family Butidae native to tropical waters of Indo-Pacific.
Text from the Wikipedia article “Ophiocara”, 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: 4 records
- February: 12 records
- March: 10 records
- April: 12 records
- May: 26 records
- June: 25 records
- July: 10 records
- August: 38 records
- September: 31 records
- October: 35 records
- November: 16 records
- December: 14 records
Depth and water temperature
Depth
Mostly recorded at 0–5 m · Deepest record: 19.5 m
Water temperature
Recorded in surface water of 23–30 °C
Names and classification
- English
- Northern mud gudgeon, Flathead Sleeper, Mullet Gudgeon, northern mud gudgeon, Snakehead Gudgeon, spangled gudgeon, Spangled sleeper, Tittle
Names in 5 more languages
- German
- Schlangenkopfschläfergrundel
- French
- Cabot des Seychelles, Cabot marare, Eléotris à tête poreuse, Éléotris à tête poreuse
- Japanese
- Hoshimadarahaze, ホシマダラハゼ
- Thai
- ปลาบู่หัวมัน
- Simplified Chinese
- 頭孔塘鱧
Other scientific names: Agonostoma darwiniense, Eleotris limosus, Eleotris litoralis, Eleotris madagascariensis, Eleotris porocephala, Eleotris porocephalus, Eleotris scintillans, Ophiocara darwiniensis, Ophiocara limosus, Ophiocara porocaephala, Ophiocara procaephala
Similar species
Duckbill sleeperButis butis
Chinese GudgeonBostrychus sinensis
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.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 586 open-data records from 1908 to 2023.
- Species data updated October 27, 2026.
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