Distioculus sp. (Crustacea, Copepoda, Harpacticoida, Miraciidae), bodylength 750 µm, Lanzarote 4.2019. 0:48 min. A typical characteristic of copepods is the single median naupliar eye. But in some taxa a pair of specific eyes with big lenses have been evolved, e. g. in Distioculus. In respect to the illumination they can show a bright reddish shining.