Zebra danio ..... Sick??

Ok heres the story, my zebra danio (See specs below) IS acting very weird. She or he is swollen and breathing heavily on the bottom of the tank. I fed it some frozen bloodworms early and it ate about 2, so that may be why its swollen. Is this behavior have to do with spawning, or is it something else?



Scales are not pineconing*

He was floating around, gourami started nipping.Red area around anus and hes not dead yet.

he just passed away. :sad: Anus are was very red.Maybe he ate too many bloodworms??