OutdoorCanada.ca has recently posted an article about why it is important to pack a cooler (or two) when icefishing. It may seem redundant to pack a cooler and ice when you're surrounded by it, but read on to find out why.
One of the best reasons to pack a cooler when icefishing is to keep things (can you believe it) from freezing. When packing minnows as bait, keeping them in an iceless cooler can prevent them from freezing and keeping them easy to bait.
Read OutdoorCanada.ca's article here for more on packing coolers when icefishing.