Animal Crossing New Leaf: Char guide
The most pain-in-the-ass item on that list is the char. Here are some images to help you nab one.
It spawns *in* the waterfall, so you'll need to cast your lure in the top river, and let it fall down to get the char's attention.
The shadow will follow your lure out of the waterfall. You can kinda make out the shadow size in this picture
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Success!