| 1870s "+". Introduced in the 1700s and 1880s (Ref. 1739). Introduced as part of a massive effort for the establishment of exotic species in the country's largely uninhabited lakes and rivers. Widespread in South I., localized in North I. The range is stable (neither expanding nor declining) (Ref. 52336). Stocks were mostly small fish of no interest. Acclimatization Societies Introduced the species widely around Auckland, Wellington and Christchurch in the 1880s and in the early 1900s in Otago, Southland and Taranaki, Brook trout are now found in several small lakes and mainly headwater streams where they do not co-exist with other salmonidae. Many of the populations are small fish (maximum size 200 mm) that mature at 150mm (Ref. 13730).
Ref:
McDowall, R.M., 1984
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