Dry land fish is an edible mushroom that grows from April to mid May (may differ depending on where you live). They're found just about all over the world. they can grow about up to over 12 inches and look like a sponge.
netted bag(like the bags oranges come in)the NETTED BAG is important you'll see why coming up
that's all you need if you're not going to hunt for to long, if so have a bottled water it's a lot of walking.