We are on a 94 day cruise around Australia and New Zealand so we are checking this out all paid up and tours booked. Cruise season for Australia is Oct to Apr, so I was just wondering. The ships that faced biofouling issues were: Queen Elizabeth, Azamara Quest, Coral Princess, Viking Orion, Regent's Seven Seas Explorer, Silversea's Silver Whisper, P&O Australia's Pacific Explorer and Ponant's Le Laperouse
https://www.travelweekly.com.au/article/biofouling-the-issue-plaguing-new-zealands-cruise-industry-this-season/#:~:text=The ships that faced biofouling,Explorer and Ponant's Le Laperouse.
Third Australian cruise in weeks turns into 'nightmare' after fungus outbreak prevents entry into New Zealand