| GGA1 | Gigartina Sp. Auckland(East) |
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| GGA2 | Gigartina Sp. Central(East) |
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| GGA3 | Gigartina Sp. South-East(Coast) |
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| GGA4 | Gigartina Sp. South-East(Chatham Rise) |
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| GGA5 | Gigartina Sp. Southland |
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| GGA6 | Gigartina Sp. Sub-Antarctic |
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| GGA7 | Gigartina Sp. Challenger |
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| GGA8 | Gigartina Sp. Central(West) |
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| GGA9 | Gigartina Sp. Auckland(West) |
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| GGA10 | Gigartina Sp. Kermadec |
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| GGAET | Gigartina Sp. Extra Territorial (200 mile limit) |
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