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Freshwater ID guides
https://niwa.co.nz/freshwater/management-tools/identification-guides-and-fact-sheets
Guidelines for sampling freshwater fisheries
https://niwa.co.nz/our-services/online-services/freshwater-fish-database/guidelines-for-sampling-freshwater-fisheries
Fish Passage Assessment Tool
https://niwa.co.nz/freshwater/management-tools/fish-passage-assessment-tool