What fish has the head of sole?

The head like a sole is a printed fish.

He is (percentage) (Sparidae) 8&; #8764; 10 species of marine fish, which can be adsorbed on sharks.

Or other marine animals or marine shells. Relying on the flat oval sucker on the top of the head, the sucker seems to be transformed from dorsal fin spines, forming pairs of transverse plates with different numbers. Indian fish are slender and dark, and live in warmer waters all over the world. Eating the food residue of the "host", in some cases, like a cleaner, eating parasites outside the "carrier".