Argyrosomus japonicus is a silvery to bronze-green colored fish which may grow up to 2 m in length. It is known as mulloway or jewfish in Australia and dusky Kob in South Africa. The name jewfish refers to the large earstones, which are prized as "jewels" by some fishers.

A. japonicus is a member of the Sciaenidae

Sciaenidae

Sciaenidae is a family of fish commonly called drums, croakers, or hardheads for the repetitive throbbing or drumming sounds they make...

family, and has an Indo-Pacific distribution occurring in coastal waters surrounding Australia, Africa, India, Pakistan, China, Korea and Japan.

External links

• Australian Museum