posted on October 20, 2010 19:26
Scientists examined 14 black coral species collected between 10 and 396 meters from around Hawai'i for the presence of algae using molecular and histological (tissue studies) techniques. Surprisingly, 71 percent of the examined species were found to contain algae, even at depths approaching 400 meters. These black corals exhibited very similar traits to those of corals commonly found in shallow-water (use of algae).
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