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
Seaweed blenny Seaweed blenny The seaweed blenny ("Parablennius marmoreus") is a species of combtooth blenny found in coral reefs in the western Atlantic Ocean along the coasts of New York, Bermuda, the Bahamas, also in the Gulf of Mexico, south to southern Brazil. This species reaches a length of TL. The seaweed blenny has a blunt head, a beak-like snout and a long, slender body. It grows to a maximum length of about . The mouth contains about forty comb-like incisors and above the eyes there are tufts of branched cirri (slender, fleshy structures). The gill slits are continuous across the throat.