The spotted weever, Trachinus araneus, is a fish of the Trachinidae family, Perciformes order, and Actinopterygii class. It is up to 45 cm long, brown and yellow on the head and back, paler below with darker spots along the sides. The shape of its body is long and laterally flattened, the mouth almost is vertical in the head. The front half of the first dorsal fin is black and consists of three spines which are highly poisonous, as are the backward facing spines on the extremities of the gill covers..