South African mullet
The South African mullet, also called a harder mullet or simply harder, is a species of mullet. It is found in South African coastal waters from Walvis Bay to KwaZulu-Natal, and grows to a maximum length of. The person the specific name honours was not recorded by Andrew Smith when he described this species but it is most likely to be John Richardson, the Scottish naturalist, surgeon and Arctic explorer.
It is also found inland in the waters of the Olifants River (Western Cape).