Fears for threatened orange roughy as NZ super trawler returns to Tasmanian waters

Conservationists link previous fishing trips to a population crash in stocks of extraordinary species

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A New Zealand super trawler has returned to Australia to target a threatened fish amid fears previous trips may be linked to a population crash.

Conservationists are disturbed by Australia's decision to authorise the return of the Amaltal Explorer, a factory ship that will net orange roughy.

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