Handmade play changing

Can wild fish give pet frogs diseases?? - littlest pet shop frog

My cousin wants to catch wild fish, which in the channel, but me and her mother said no no no! : P lol
because they believe that their frogs dosent GIV fish diseases because their baught who save frogs or animals, but he believes it will be good its freshwater fish and i dont no lol wat is the channel, but pike, eels in it.