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Having reached the midpoint of the unprecedented 10-year census, which involves scientists in more than 73 nations, it is reported that the 230,000 marine species now known to science are the tip of the iceberg.
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New Zealand is a centre of biodiversity for marine sponges," NIWA's Dr Michelle Kelly said.
Read moreSponges are dominant components of coral reef ecosystems, often exceeding reef-building corals in abundance. Large sponges, often more than 1 m in diameter, may be hundreds to thousands of years old.
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Dutch researcher Jasper de Goeij investigated how caves in the coral reef in Curacao and Indonesia ensure the reef’s continued existence.
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