Aphrodisiac Pheromone Discovered in Fish Semen (IMAGE)
Caption
The image depicts a sexually spermiating mature male sea lamprey, characterized with a dorsal ridge, in a typical gravel patch where sea lampreys build nests and release pheromones that signal to ovulatory females the presence of spawning aggregations.
Credit
Anne M. Scott
Usage Restrictions
CC-BY
License
Licensed content