Crayfish mating - Crayfish for aquaponics part 2 - (hybrid aquaponic system)

In this video I show you the crayfish I got for my aquaponics system Mating. A very simple video

Males vs Females
Males have an extra pair of swimmerets ( the small legs in the back). Used to inject sperm.
Females have an opening instead (hole)

https://www.mainevlmp.org/wp-content/uploads/2015/08/3.-Is-your-crayfish-male-of-female.pdf