Perhaps a minor tweak to the ears so the look webbed or spiny, in this fashion: 3-
-E raised nodules perhaps on parts of the skin and face. Having little design experience I am speaking from a purely speculative purely imaginative perspective. The more radiently primordial the better. I would lean toward them looking vastly altered for their evolution with the sea. I like the illustration and i will clarify what i mean and even make a rude sketch if what i suggest is not understood. thx for an early vision
i really like the dorsal fin idea . . .
