The male anglerfish has enlarged olfactory organs (the two yellowish bumps next to the angling apparatus) which are used to locate females, who emit phermones to attract a mate. Image courtesy of Islands in the Stream 2001, NOAA/OER.
The male anglerfish has enlarged olfactory organs (the two yellowish bumps next to the angling apparatus) which are used to locate females, who emit phermones to attract a mate. Image courtesy of Islands in the Stream 2001, NOAA/OER.