In 1867, New Zealand introduced brown trout for sport fishing; more than 60 million were released by 1921, and the invader later caused local extinctions and fragmented native fish populations
New Zealand introduced brown trout for sport fishing When British settlers packed thousands of brown trout ova onto ships bound for the Antipodes in 1867, they hoped to recreate the sport fishing they knew from Europe. Over the next five decades, acclimatisation societies bred and released more than 60 million brown trout into waterways across…
