Blue striped grunt of this fish. Blue striped grunts are also valued as a specimen for public aquariums. Blue striped grunt The blue striped grunt ("Haemulon sciurus") or bluestriped grunt, is a subtropical species of grunt native to the western Atlantic Ocean. It was described by the English naturalist George Shaw in 1803. Its common name comes from its blue stripes and from its habit of grunting by grinding its pharyngeal teeth. The swim bladder, acting as a resonator, amplifies this sound. The blue striped grunt commonly grows to a length of 20 to 25 cm (8 to 10 inches), and its maximum
Sand goby rounded. In males, there is a conspicuous dark spot on the anterior dorsal fin and in both sexes there is a black patch on the caudal peduncle. The general colour is sandy brown with indistinct dark blotches and reticulations on the dorsal surface and dark striations on the pale fins. The colour of the male darkens during the breeding season and his fins become more coloured. The average size is about . The sand goby normally lives at greater depths than the common goby. It feeds on small invertebrates living on the seabed especially amphipods. It is well camouflaged and