Bearded croaker

Johnius amblycephalus

Fish
IUCN: Least concern

Usual depth5–50 m
Water temperature19–30 °C
Best monthsFebruary, October, and November
How commonOccasional

About this species

Johnius amblycephalus, the bearded croaker, also known as the green-backed croaker or sharp-nosed jewfish, is a marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This fish is found in the Indian and Pacific Oceans.

Text from the Wikipedia article “Johnius amblycephalus”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 11 records
February: 12 records
March: 8 records
April: 12 records
May: 8 records
June: 4 records
July: 5 records
August: 8 records
September: 11 records
October: 20 records
November: 17 records
December: 9 records

Depth and water temperature

Depth

Mostly recorded at 5–50 m · Deepest record: 122 m

0–10 m: 8 records
10–20 m: 13 records
20–30 m: 10 records
30–40 m: 5 records
40–50 m: 2 records
50–60 m: 1 records
60–70 m: 1 records
70–80 m: 0 records
80–90 m: 1 records
90–100 m: 1 records
100–110 m: 0 records
110+ m: 1 records

Water temperature

Recorded in surface water of 19–30 °C

18–20 °C: 1 records
20–22 °C: 2 records
22–24 °C: 20 records
24–26 °C: 16 records
26–28 °C: 49 records
28–30 °C: 59 records

Names and classification

English: Bearded croaker, bearded croaker, Bearded Jewfish, Greenback Croaker, sin croaker

Names in 4 more languages

Spanish: Corvina Barba
French: Courbine Barbiche, Courbine Caroune
Japanese: Higeishimochi, ヒゲイシモチ
Simplified Chinese: 團頭叫姑魚, 頓頭叫姑魚, 黑加網

Other scientific names: Blythia dussumieri, Dendrophysa dussumieri, Johnius amblycephala, Johnius dussumieri, Sciaena dussumieri, Umbrina amblycephala, Umbrina amblycephalus, Umbrina dussumieri, Umbrina muelleri, Umbrina mülleri

Similar species

Croaker
Johnius borneensis
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.
Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
Conservation status as published by GBIF (IUCN Red List).
531 open-data records from 1855 to 2023.

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