the bubble is to help it breathe
Neon Tetra is one of the natural food for the angelfish in the wild. Although, most fish will eat anything that can fit into their mouth.
I would do a water change. What it seems like to me is the fish has a blister or abscess forming on its mouth/lip. This is usually caused by poor water conditions.
A bubble eyed gold fish is a fish
needle fish will certainly not work well with neon's, they will murder the neon's
gulp* bubble* bubble*
Yes, a bubble wall can overpower some fish.
spit
They bubble because if they didn't they would die.
a neon tetra is a fish. It has all sorts of neon colours on its body!
There are multitudes of neon fish, so this question is too vague to answer.
The singular possessive noun for the mouth of a fish is fish's mouth.
well its simple 1. blow a bubble that is small enough to fit back in your mouth 2. then put it back in your mouth ( make sure you still have a bubble) 3. finally just push your tongue to the roof of your mouth and your bubble will crack