I had 5 swordtails. 1 male, 4 females. But the females all died! :sad: Now the lone male swordtail is just sitting there behind the heater and he won't come out unless there's food. And then he goes back.
Is he sick, or is he depressed from lack of mates?
Is he sick, or is he depressed from lack of mates?
and adding some salt can't hurt either