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Corals without Boarders

It's cold, dark, and there's no help from live-in algae

Tony Koslow is one of the authors of a new United Nations report on cold-water corals, yet he says he wasn't giving them much thought as recently as a decade ago. These aren't the coral reefs in vacation paradises of warm, sunny beaches, but the species that grow where sunlight can't penetrate and temperatures stay downright chilly. Koslow's interest came from studying a fish, the orange roughy.

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