Originally Posted By: TheSock
In one of Ray Mears survival programme he shows how one chap lasted for months at sea in an inflatable raft, mainly because he had a spear gun to fish with.
The Sock

Adrift: Seventy-six Days Lost at Sea
by Steven Callahan

Highly reccomended survival read. The spear gun he happened to have with him was instrumental to his survival.
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- Tom S.

"Never trust and engineer who doesn't carry a pocketknife."