
Floating goby
Gymnogobius petschiliensis
- Usual depth0–2 m
- Water temperature20–20 °C
- Best monthsMay and July
- How commonRare
Photo credit: (c) James-LaFontaine, 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: 3 records
- February: 1 records
- March: 8 records
- April: 6 records
- May: 20 records
- June: 10 records
- July: 15 records
- August: 11 records
- September: 6 records
- October: 8 records
- November: 6 records
- December: 4 records
Depth and water temperature
Depth
Mostly recorded at 0–2 m · Deepest record: 2 m
Water temperature
Recorded in surface water of 20–20 °C
Photos

(c) 大澤風季 ohsawa_Fuki, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) りなべる, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) りなべる, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Floating goby
Names in 2 more languages
- Japanese
- Sumiukigori, スミウキゴリ
- Korean
- 검정꾹저구
Other scientific names: Gobius petschiliensis
Similar species
Stripetail Barehead GobyGymnogobius urotaenia
- Chestnut Goby
Gymnogobius castaneus
- Sevenspine Goby
Gymnogobius heptacanthus
Yellowfin gobyAcanthogobius flavimanus
Light-beige GobyAcanthogobius lactipes
Blue-spotted MudskipperBoleophthalmus boddarti
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).
- 261 open-data records from 1987 to 2021.
- Species data updated November 3, 2026.
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