E rua ngā momo Arrow , he momo ngū arumoni noa iho ka whai i ngā wai o Aotearoa. Ahakoa e rua ngā pokakētanga iti o tēnā momo, o tēnā momo ka haoa ki Aotearoa, (Notodaurus Sloanii and Notodaurus Gouldi) mā te take arumoni he ōrite. Ka hao te ngū ki te kupenga me te whakaoreore huri rauna i ngā moutere ki te South or Sub Antarctic Islands of New Zealand. Ka piki, ka heke te nui o nga ngū kua hao nā ngā āhuaranga o te wāhanga tau i te mea ka hoki ora mai taua momo i te roanga o te tau.
Ko ngā Ngū i hao nā ngā waka puhoro pākatio, waka whakaoreore rainei ka whakahukapapa ki tai kia katoa, ka whakarite rainei. Inā ka tonga te hua ka tango mai i ngā upoko ngā kāwai, ngā whatu me ngā ngutu kātahi ka uwhia takitahi.
Ko ngā Ngū kua hao mai i ngā waka puhoro tio ka whakaritea āhua pērā i ngā waka puhoro pākatio, ka whakaritea rainei hei korepe mā ki te kiri tīhore.
E pai ana Ngū katoa ki te whakarite ake ki ngā korepe hei puru, ki ngā ringi hei kongakonga me ngā kāwai hei kai parai kōrori.
| He Rongo Kai Tōtika | (per 100g of Nototodarus sloanii) |
| Pūngao (kcal) | 92 |
| Poroutīni (g) | 19.2 |
| Hinu (g) | 1.7 |
| Ngakototo (mg) | 173 |
| Konutai (mg) | 296 |
| Konurehu (mg) | 256 |