A pond man.
A snapping turtle .
Mainly hawks
tadpoles
Many types of birds and fish, especialy trout.
my guess is a raccoon probably i have no idea
I believe a Bull Trout eats a cutthroat trout. I hope this is what you were looking for
Consumer
it is almost the last but a different animal eats it in the lake,pond and marsh.
Anything bigger than the trout, (e.g. a panda)
don't get trout get either koi fish or a big goldfish if you already have fish in your pond don't put in trout because it might not be adapted to pond life or the other fish [if you already have some]
hummans
a lake trout is a consumer