Skip to content

DiscoverSpeciesFish

Croaker

Johnius dussumieri

  • Fish
  • IUCN: Least concern
  • Usual depth0–40 m
  • Water temperature20–29 °C
  • Best monthsMay and August
  • How commonOccasional
All species

Photo credit: (c) Rvalette, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

About this species

Johnius dussumieri, the sin croaker, Dussumier's croaker, Dussumier's silver jewfish, sharptooth hammer croaker or whiskered croaker, is a marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This fish is found in the Indian Ocean.

Text from the Wikipedia article “Johnius dussumieri”, 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: 0 records
  • February: 0 records
  • March: 0 records
  • April: 0 records
  • May: 4 records
  • June: 0 records
  • July: 0 records
  • August: 3 records
  • September: 0 records
  • October: 1 records
  • November: 0 records
  • December: 0 records

Depth and water temperature

Depth

Mostly recorded at 0–40 m · Deepest record: 40 m

  • 0–10 m: 2 records
  • 10–20 m: 0 records
  • 20–30 m: 2 records
  • 30–40 m: 2 records
  • 40–50 m: 2 records

Water temperature

Recorded in surface water of 20–29 °C

  • 18–20 °C: 1 records
  • 20–22 °C: 0 records
  • 22–24 °C: 6 records
  • 24–26 °C: 0 records
  • 26–28 °C: 6 records
  • 28–30 °C: 5 records

Names and classification

English
Croaker, Drab Jew Fish, Dussumier's Croaker, Dussumier's Silver Jew Fish, Sharptooth Hammer Croaker, Sin Croaker
Names in 3 more languages
Spanish
Corvina China, Corvina de Dussumier
French
Courbine Chinoise
Simplified Chinese
春子, 杜氏叫姑魚

Other scientific names: Corvina dussumieri, Corvina sina, Johnieops dussumieri, Johnieops sina, Johnius dussumeri, Johnius sina, Pseudosciaena sina, Sciaena dussumieri, Sciaena dussumierii, Sciaena ossea, Sciaena osseus, Sciaena sina, Wak menoni, Wak osseus, Wak sina

Similar species

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).
  • 2,164 open-data records from 1830 to 2009.
  • Species data updated November 3, 2026.

Log what you see on your next dive

The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.

Join the waitlist

DiveHive uses necessary cookies to work. With your permission we also use analytics to see which pages help. Analytics is off until you say yes, and we never record what you type.

  • NecessaryAlways on: your choice, security.Always on
  • AnalyticsOff unless you accept.Off
Privacy policy