64-82 Degrees Fareenheit is prefferable.
no
all larger angelfish eat guppys
No but they can eat guppys
Glow tetras would do well on tropical flake food.
No.
Well, Adult Guppy's Can't Eat Other Adult Guppy's. If The Guppy's Breed Then They Won't Eat Any Of The Guppy Baby's. They Will All Work Together To Take Care Of The Baby's. But If They Breed And You Add Another Guppy/Fish Then It May Eat The Baby's.
Bettas will eat baby guppys as will most other fish, but in general, male Bettas will only fight with other male Bettas. They do not fight with other species of fish
angel fish can eat neon tetras is the simple answer, but i have angel fish and neon tetras in the same tank and the angel fish does not bother the neons, although this may be because the angel fish is not full grown yet so it is a 50% chance
Although there are many fish that will eat bread crumbs they are not a good food for any fish.
If the tetras are large enough to catch and eat them they certainly will.
Depending on their sizes, yes.