Bottlenose Croaker
Johnius australis
- Usual depth1–30 m
- Water temperature23–29 °C
- Best monthsSeptember
- How commonRare
Photo credit: (c) James H, 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: 4 records
- February: 3 records
- March: 6 records
- April: 3 records
- May: 4 records
- June: 3 records
- July: 4 records
- August: 6 records
- September: 15 records
- October: 5 records
- November: 5 records
- December: 1 records
Depth and water temperature
Depth
Mostly recorded at 1–30 m · Deepest record: 30 m
Water temperature
Recorded in surface water of 23–29 °C
Names and classification
- English
- Bottlenose Croaker, Bottlenose Jewfish, River Perch
Other scientific names: Corvina australis, Corvina comes
Similar species
CroakerJohnius borneensis
CroakerJohnius dussumieri
- Bearded croaker
Johnius amblycephalus
Caroun CroakerJohnius carouna
- Belangeri Croaker
Johnius belangerii
- Jew Fish
Johnius carutta
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).
- 99 open-data records from 1910 to 2015.
- Species data updated November 3, 2026.
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