Bigmouth goby
Redigobius bikolanus
- Usual depth0–2 m
- Water temperature19–30 °C
- Best monthsSeptember and October
- How commonOccasional
About this species
Redigobius bikolanus, the speckled goby or bigmouth goby, is a species of goby native to marine, fresh and brackish waters along the coasts of Asia from Japan to Australia out to the Pacific islands of New Caledonia and Vanuatu and along the coast of South Africa and the Seychelles. This species inhabits streams, creeks and estuaries, often being found upstream beyond the tidal zones of rivers. This fish can reach a length of 4.2 centimetres (1.7 in) SL.
Text from the Wikipedia article “Redigobius bikolanus”, 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: 7 records
- February: 4 records
- March: 19 records
- April: 23 records
- May: 19 records
- June: 14 records
- July: 16 records
- August: 33 records
- September: 60 records
- October: 39 records
- November: 22 records
- December: 15 records
Depth and water temperature
Depth
Mostly recorded at 0–2 m · Deepest record: 40 m
Water temperature
Recorded in surface water of 19–30 °C
Names and classification
- English
- Bigmouth goby, Bug-eyed Goby, checkered dualspot goby, Speckled Goby
Names in 5 more languages
- French
- Gobie tase
- Japanese
- Hinahaze, ヒナハゼ
- Korean
- 점박이망둑
- Thai
- ปลาบู่สั้นลายกระ
- Simplified Chinese
- 拜庫雷鰕虎, 斑紋雷鰕虎魚
Other scientific names: Gobius flavescens, Gobius johnstoniensis, Mahidolia pagoensis, Parvigobius immeritus, Pseudogobius bikolanus, Redigobius versicolor, Stigmatogobius minutus, Stigmatogobius versicolor, Vaimosa bikolana, Vaimosa montalbani, Vaimosa novaehebudorum, Vaimosa osgoodi
Similar species
- Roemer's Goby
Redigobius tambujon
Eyebar gobyGnatholepis cauerensis
- Anjer Eye-bar Goby
Gnatholepis anjerensis
- Barred mudskipper
Periophthalmus argentilineatus
- Atlantic Mudskipper
Periophthalmus barbarus
- Bichique
Sicyopterus lagocephalus
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).
- 860 open-data records from 1909 to 2021.
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