Josh Jennings
Aquarium Advice Apprentice
I have a 60 gal FW tank. It's completely cycled and the ammonia, nitrate, & nitrite are all at 0, and the Ph is at 7. Here's the question... One of my Bala Sharks is staying right by the heater and is head up almost vertical. All the other fish are fine. My Bala is eating and doesn't seem to be gulping for air but has been in this vertical position all day. Any ideas???