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Large Trough Shell maximum length varies from 63-102 cm depending on location.
Large Trough Shell are broadcast spawners.
Large Trough Shell are found throughout New Zealand, but are most common in the South Island. They are most commonly found at depths of 4-8 m.
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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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