Greybeard Dwarfgoby
Trimma annosum
- Usual depth2–17 m
- Water temperature24–30 °C
- Best monthsJanuary, February, and November
- How commonRare
Photo credit: (c) jeyre, 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: 15 records
- February: 12 records
- March: 0 records
- April: 8 records
- May: 10 records
- June: 6 records
- July: 5 records
- August: 1 records
- September: 10 records
- October: 9 records
- November: 18 records
- December: 4 records
Depth and water temperature
Depth
Mostly recorded at 2–17 m · Deepest record: 24 m
Water temperature
Recorded in surface water of 24–30 °C
Photos
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) jeyre, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Greybeard Dwarfgoby, Grey-bearded Pygmygoby
Names in 2 more languages
- Japanese
- Pegasusubenihaze, ペガススベニハゼ
- Simplified Chinese
- 橘點磨塘鱧
Similar species
Red DwarfgobyTrimma benjamini
Caesiura DwarfgobyTrimma caesiura
Flame GobyTrimma macrophthalmus
Okinawa DwarfgobyTrimma okinawae
Red-lined Pygmy-gobyTrimma striatum
- Stobb's Dwarfgoby
Trimma stobbsi
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).
- 311 open-data records from 1953 to 2016.
- Species data updated October 31, 2026.
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