
Hasselt's Flap-headed Goby
Callogobius hasseltii
- Usual depth0–24 m
- Water temperature14–29 °C
- Best monthsApril, June, and September
- How commonRare
Photo credit: (c) Alexander Regio, 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: 7 records
- February: 5 records
- March: 7 records
- April: 12 records
- May: 8 records
- June: 13 records
- July: 9 records
- August: 5 records
- September: 12 records
- October: 10 records
- November: 9 records
- December: 6 records
Depth and water temperature
Depth
Mostly recorded at 0–24 m · Deepest record: 27.5 m
Water temperature
Recorded in surface water of 14–29 °C
Names and classification
- English
- Hasselt's Flap-headed Goby, Hasselt's Goby, Van Hasselt's Goby
Names in 3 more languages
- Filipino
- Bia
- Japanese
- Okinawahaze, オキナワハゼ
- Simplified Chinese
- 哈氏硬皮鰕虎, 長鰭美鰕虎魚, 长鳍美鰕虎鱼
Other scientific names: Callogobius hasselti, Eleotris hasseltii, Gobius hasseltii, Macgregorella moroana
Similar species
- Pacific goby
Callogobius sclateri
Okinawa Flap-headed GobyCallogobius okinawae
- Centrescale Goby
Callogobius centrolepis
- Slimy goby
Callogobius flavobrunneus
- Ostrich goby
Callogobius maculipinnis
- Common goby
Pomatoschistus microps
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).
- 174 open-data records from 1851 to 2022.
- Species data updated October 26, 2026.
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