Orange roughy are mainly found at depths of 700 metres to 1500 metres. They congregate in huge numbers around seamounts to spawn or feed. These fish are very slow-growing, taking about 20 years to reach a mature size of 30 centimetres. Scientists argue about the age of orange roughy but the evidence shows they start to reproduce when aged between 20 and 30 years, reproducing at a low rate, and live to between 80 and 150 years.
NIWA
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Bibliographic details
Forest and Bird, Issue 296, 1 May 2000, Page 34
Word Count
78Orange roughy are mainly found at depths of 700 metres to 1500 metres. They congregate in huge numbers around seamounts to spawn or feed. These fish are very slow-growing, taking about 20 years to reach a mature size of 30 centimetres. Scientists argue about the age of orange roughy but the evidence shows they start to reproduce when aged between 20 and 30 years, reproducing at a low rate, and live to between 80 and 150 years. NIWA Forest and Bird, Issue 296, 1 May 2000, Page 34
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