I notice one of my guppys had black eyes, it didn't seem to impare his vision just dark black now 3 of them have it and I'm worried
Guppy - Black eyes?!?!
- Thread starter RENEGADE
- Start date
Guppies just do that, some days they will be normal and then others they will be nearly black. Its nothin to worry about. I think its kinda like when our own puplils adjust to different lighting levels.