Gemophos tinctus, the tinted cantharus, painted cantharus, or gaudy lesser whelk,[1] is a species of sea snail in the family Pisaniidae.

[2] The size of the shell varies between 19 mm and 32 mm.feeds on smal algae This marine species occurs in the Gulf of Mexico, the Caribbean Sea and off the Lesser Antilles; in the Atlantic Ocean off North Carolina, USA.

and also in the northeast of Brazil in salt sea water