Common Searobin

Found singly, on shallow sandy bottoms, sometimes buried in the sand, over bays, estuaries and lagoons. More active at night hunting for food, by using their lower spines of pectoral fin like feet too feel for their prey.
Juveniles found in estuaries.

Sea robins have heavily armoured, spiny heads. They have separate rays (like soft spines) on their bellies, near the Pectoral fins these spines act like legs, as the fish walks along the bottom of the ocean they use these spines to find crustaceans in the sand.
They also grunt. French term for the word Gurnard means to grunt.
They have poisonous spines on their backs.