"What was seen under laboratory conditions has probably already taken place in any number of commercial fishing grounds, " warned the researchers.

BBC: Fish on a trawler boat

The move to loosen up the commercial paper market came after morning indications showed credit conditions remain under enormous strain.

FORBES: Wall Street Crisis

The Fed's move to loosen up the commercial paper market came after morning indications showed credit conditions remain under enormous strain.

FORBES: Wall Street Crisis