Scientist are working on different issues around galaxiids which interest them, advising government and other organizations, developing strategies to mitigate human impacts on freshwater systems.
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Scientists + galaxiids in detailThe main areas in galaxiid research are taxonomic classification, trout-galaxiid interaction and conservation management strategies.
Many galaxiid species from Otago were only discovered in 1990s and are still awaiting detailed description. Research on native fish is mainly performed by universities, NIWA and DOC. Only a few researchers publish most of the literature about galaxiids (McDowall, Waters, Mcintosh, Townsend, Clos and Joy). Their research shows that many galaxiids are unique to New Zealand and are threatened. They have documented that trout and galaxiids don’t usually coexist, as trout are predators. Scientists try to develop strategies to ensure safe coexistence of major native and game fish in New Zealand. The most feasible option so far is isolation of galaxiid populations from trout in headwaters. To eradicate trout from streams which are important for galaxiids, use of the fish poison rotenone is proposed. Use of rotenone can be very touchy issue, since it a type of a poison. However, the scientific community is confident that rotenone has no detrimental effects on livestock and humans, and that it is the most effective way to eradicate trout. |
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