Please help - fish is dying?

Need some help with my leopard corys, I found 2 dead and now

So I need help diagnosing what’s wrong with my guppies so I

just got 4male guppies for my 5g tank lots of hiding spots and

I just put sand in my aquarium. Will the pieces floating eventually

NSFW! My guppies are dying :(

Is my Krib dying?

HELPPPPP MY FEMALE GUPPY IS DYING

Is he dying?

All of my guppies have weird red spots?? They are the newest

My fish is dying and I need help

My guppy is scaring me. I think he may be sick/dying.