Robust jawfish
Opistognathus muscatensis
- Usual depth30–55 m
- Water temperature23–28 °C
- Best monthsJanuary, May, and July
- How commonRare
Photo credit: (c) Amada44, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 2 records
- February: 0 records
- March: 0 records
- April: 0 records
- May: 2 records
- June: 0 records
- July: 2 records
- August: 0 records
- September: 1 records
- October: 1 records
- November: 2 records
- December: 1 records
Depth and water temperature
Depth
Mostly recorded at 30–55 m · Deepest record: 55 m
Water temperature
Recorded in surface water of 23–28 °C
Names and classification
- English
- Robust jawfish, robust jawfish, Robust Jawfish
Other scientific names: Ophisthognathus muscatensis, Opisthognathus muscatensis, Opistignathus muscatensis
Similar species
Yellowhead jawfishOpistognathus aurifrons
Darwin JawfishOpistognathus darwiniensis
Dendritic JawfishOpistognathus dendriticus
Birdled jawfishOpistognathus nigromarginatus
Finespotted jawfishOpistognathus punctatus
Black Cap JawfishOpistognathus randalli
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).
- 27 open-data records from 1952 to 2022.
- Species data updated November 5, 2026.
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