"New Zealand authorities thought they were very strict, and they ended up having a fleet of vessels chartered from Korea who busted the quota," Canadian fisheries expert Professor Daniel Pauly, of the University of British Columbia's Fisheries Research Centre, told ABC radio.
Federal Environment Minister Tony Burke has also expressed concerns about the risk of "localised overfishing" despite faith in the ability of industry regulator, the Australian Fisheries Management Authority (AFMA), to ensure the science behind the granting of the Margiris quota is sound.
The Commonwealth Ombudsman is at present considering a request for an investigation into the quota from Independent Tasmanian MP Andrew Wilkie, one of the leaders of the campaign against the Margiris.
Acting Ombudsman Alison Larkins said she had asked AFMA for more information, but had not yet formally begun an investigation.
The Margiris will be working in Australia under a joint venture between its Dutch owners, Parlevliet and Van der plas, and local company Seafish Tasmania.
Able to process more than 250 tonnes of fish a day, the trawler vacuums its catch from the deck and automatically sorts, packs and freezes the fish. Its owners claim bycatch is minimal, especially among larger fish and mammals.
AFMA says the Margiris' quota was based on egg surveys showing that the catch was sustainable and that Seafish Tasmania will also be required to help fund further studies.
But a coalition of environment, recreational and commercial fishers and tourism groups does not believe the science or accept the case made by Seafish Tasmania.
Greenpeace prevented the Margiris from leaving its Dutch home port for six days, and the decision to allow it to operate in Australia has drawn international fire.