C. elegans too has a photoreceptor which doubles as a taste receptor https://www.cell.com/cell/fulltext/S0092-8674(16)31518-5 https://www.cell.com/cell/fulltex

C. elegans too has a photoreceptor which doubles as a taste receptor https://www.cell.com/cell/fulltext/S0092-8674(16)31518-5 https://www.cell.com/cell/fulltext/S0092-8674(16)31518-5