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This week’s Fish4Life Challenge Theme is Tuna. Read on to find out more about this amazing fish and how it is affected by fishing.

Fish4Life Tuna © Greenpeace / Gavin Newman
Tuna is a beautiful and amazing fish. There are over 40 different species, they can live for over 30 years, can grow over 2m long and weigh over 400kg. In summary, they’re large, long-lived, slow breeding, top order predators. 

Unfortunately, due to their popularity as food, tuna populations have been drastically reduced by fishing – some as much as 90%. Although there are many Management plans for tuna, some species of tuna are still being overfished. In fact, Southern Bluefin Tuna, whose migratory route includes Australia, are critically endangered (IUCN Redlist), yet are still being fished. 

Fish4Life tuna map

MOVIE – Danielle, Marine Mammals Supervisor, Taronga Zoo, talks about Tuna.

Footage Courtesy of Ovation Media has been sourced from the Documentary “The End of the Line”. Click here to find out more.Other photos and images are provided courtesy of the Australian Marine Conservation Society (AMCS) and Greenpeace.

So what can you do?

Fish4life tuna can
The best thing you can do to help tuna is to try and reduce the total amount of tuna you eat, and avoid Southern Bluefin Tuna entirely. For tuna you eat, there are choices that are more sustainable. The Marine Stewardship Council (MSC) certifies fisheries as sustainable. When choosing canned tuna, look for cans with the MSC ecolabel. Another option is to follow Greenpeace’s guide to canned tuna.

Find out more about the Marine Stewardship Council (MSC).

Week Two's 4 Fishy Facts

Week Two's 4 Fishy Facts
Are all fish cold blooded? Find out here.

Week Two's Recipe

Week Two's Recipe
This week's recipe will help you create tasty grilled sardines.

How did you go with last week's quick quiz? Test your knowledge this week here.