They didn't. She told me so. I also think she has had them for quite some time? I mean, it could have attacked the fish all at once, whatever it was, but its just so weird they died so suddenly, no deterioration, and almost all together.
*2 Bettas (for now RIP Ryu) *2 Goldfish *9 Guppies *1 Gourami *2 Chinchillas *2 Budgies *2 Dwarf Frogs *1 Dog *1 Cat *2 Hermit Crabs *2 3gs *1 10g *1 Pond *2 2gs