Somebody out there said pheromones were "airborne". They obviously can be water borne. There are many questions yet to be answered about pheromones. Some scientists actually think humans produce them and that they play a role in how we react to each other, especially in a sexual respect. The comments going around about iron supplements hit the same area. This may or may not run far afield from Apistos but much is yet to be learned about chemicals, sex, moonlit nights, and just who was that female? Maybe you could blame it on the conditioning fish food.