Croaker

Johnius borneensis

Fish
IUCN: Least concern

Usual depth0–62 m
Water temperature18–30 °C
Best monthsJanuary and September
How commonOccasional

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 68 records
February: 29 records
March: 18 records
April: 25 records
May: 28 records
June: 32 records
July: 26 records
August: 24 records
September: 50 records
October: 31 records
November: 29 records
December: 20 records

Depth and water temperature

Depth

Mostly recorded at 0–62 m · Deepest record: 122 m

0–10 m: 68 records
10–20 m: 12 records
20–30 m: 15 records
30–40 m: 11 records
40–50 m: 8 records
50–60 m: 5 records
60–70 m: 21 records
70–80 m: 0 records
80–90 m: 5 records
90–100 m: 2 records
100–110 m: 0 records
110+ m: 1 records

Water temperature

Recorded in surface water of 18–30 °C

16–18 °C: 1 records
18–20 °C: 1 records
20–22 °C: 1 records
22–24 °C: 13 records
24–26 °C: 25 records
26–28 °C: 86 records
28–30 °C: 78 records

Names and classification

English: Croaker, Drum, Hammer Croaker, Jewfish, River Perch, Sharpnose Hammer Croaker, Sharp-toothed Hammer Croaker, Sharp Toothed Hammer Croaker, Sharptooth Hammer Croaker, Silver Teraglin

Names in 3 more languages

Spanish: Corvina Dientusa
French: Courbine Dentue
Thai: ปลาจวดบอร์เนียว

Other scientific names: Corvina canina, Corvina papuensis, Johnieops borneensis, Johnieops vogleri, Johniops vogleri, Johnius siamensis, Johnius vogleri, Otolithus borneensis, Otolithus vogleri, Pseudosciaena vogleri, Sciaena siamensis, Sciaena vogleri, Wak vogleri

Similar species

Bearded croaker
Johnius amblycephalus
Belangeri Croaker
Johnius belangerii
Japanese meagre
Argyrosomus japonicus
Squaretail kob
Argyrosomus thorpei
Geelbeck croaker
Atractoscion aequidens
Southern meagre
Argyrosomus hololepidotus

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).
596 open-data records from 1853 to 2023.

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