Correction, I'm not saying all SA"s won't breed without the pressure low, quite the opposite. Just that a certain few seemed to take notice and react accourdingly.
Correction, I'm not saying all SA"s won't breed without the pressure low, quite the opposite. Just that a certain few seemed to take notice and react accourdingly.
I have done kinda the same thing, but helped it along the way by adding colder water to simulate what might be happening to start polypterus senegalus breeding.