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Tuatua have a regionally variable maximum size ranging from 50-80 mm.
Tuatua have a maximum age of at least 5 years. They broadcast spawn twice a year, from September to November and from February to April.
Tuatua are found mainly around the North Island, but do occur in some parts of the South Island. They inhabit fine sandy beach areas and are suspension feeders.
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Key statistics
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| 1 Reported commercial catch is calculated for the 12 month period to 30/09/2025 |
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| 2 Quota value and exports are calculated pro-rata to reported commercial catch for the 12 month period to 30/09/2025 |
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