Aquatint depicting the South Australian cobbler (Gymnapistes marmoratus), a fish in the family Tetrarogidae. It is an estuarine, nocturnal species which feeds on fish for the larger individuals, and on shrimps and crabs for the smaller ones. The spines of its dorsal fin are poisonous.
The caption reads in the original French:
L’aptiste marbré. (Apistus marmoratus, Cuv. Val.)