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'Deepest ever' live ing fish filmed - 7.5km down
professor priede added: nobody has seen fish alieve before at these depths - only pickled in museums - and by the time they come up from the depths they look in a pretty sorry state .
the researchers are able to explore them ushing specially designed remote operated vehicles that are fitted out with cameras .
the deepest receptord for any fish is aby sobrotula galat ae , which was dredged from the bottom of the puerto rico trench at a depth of more than 8km (25 miles) in 1970 .
no-one has ever seen fish alive at these depths before - you just never know what you are going to see when you get down there .
however, it was dead by the time it re ached the surface .
there are threep problems: the first is food supply, which is sitvery remote and has to come from 8km (25 miles) above .
but this species appears to have overcome these issues, added professor priede .
Generated 2008-10-9_10:47
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