Sand goby spot at the rear of the first dorsal fin, ringed with white. The fish has a slender body, and the head is about a quarter of the total length. The sand goby has two dorsal fins with a wider gap between them than the common goby ("Pomatoschistus microps"), the anterior one consisting of six soft spines and the posterior one eight to eleven soft rays. The pelvic fins are fused with the anal fins. There are 58 to 72 scales along the lateral line and these scales are rather smaller than those of the common goby. The caudal fin is
Leaping blenny a maximum water depth of 2 metres. They inhabit holes in limestone deposits in intertidal zones, and leap between holes when disturbed, earning them their common name. They are very social at mid-tide, using visual displays to warn off competitors and attract mates. Although they must remain moist to breathe, the blennies are able to breathe air, and avoid submersion by tide waters. Leaping blennies feed primarily off of algae. They are oviparous and form distinct pairs when mating. They can reach a maximum total length of 10 centimetres (4 inches). Leaping blenny The leaping blenny ("Alticus saliens"), also known