Fish dying

[Pirarucu]

Originally Posted by Pirarucu

There is a black form of the Kuhli Loach... That is what he has, it's not a Dojo Loach.
My guess is that there's some sort of parasite or fungus in the tank. We've got some sort of fungus going through our brains right now that just will not go away. Luckily it seems to be a very specialized variety, as it hasn't touched anything else in the tank.

This has to be the best autocorrect on the face of the planet.. It was neons, as in Neon Tetras. LOL.