Answer:
You can read me both ways I wear; One way it's a number reversed a snare.
My keepers feed me colored balls. With sticks they store on my den walls. Sometimes I store them in my pouch. Sometimes deep in my belly; ouch!
I can be cracked made told and played.
I belong to you but others use me more often than you do
A single syllable do I claim black was my most famous name; Fetal to mortals here below thousands have I slain in a single blow.
Often cooked as fillet, this meat comes from an animal that swims underwater.