The government aims to dramatically reduce the areas offered full protection and expand zones where fishing is allowed, while also claiming that this will still deliver good conservation.
Mud oysters played a largely unappreciated part in Australia’s history.
Cayne Layton
In colonial times Australia's waters were teeming with mud oysters that provided food, cement, and cleaned the oceans. Now a 20-hectare man-made reef aims to restore some of their former glory.
The focus of food production systems, including aquaculture, must move beyond maximising yields to consider nutritional quality too.
Whitespotted surgeonfish (Acanthurus guttatus), found in the Indo-Pacific, crop the upper portion of algae while feeding, preventing macroalgae from becoming established on reefs.
Kevin Lino/NOAA
Plant-eating fish control the spread of seaweed and algae on coral reefs. New research explaining why populations of these fish vary from site to site could lead to better reef protection strategies.
Sharks: playing their part in reducing climate change.
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The South China Sea produces more than 10% of the world's fish – but the catch is increasingly under threat.
Billions of dollars are lost yearly to illegal fishing, with West Africa being one of the worst-affected regions.
Commander, US Naval Forces Europe-Africa/U.S. 6th/Flickr
Was Assistant Minister for Agriculture and Water Resources Anne Ruston right to say that no solely-managed Commonwealth fishery is subject to overfishing?
The open oceans are the world's "wild west", falling outside any nation's jurisdiction. UN negotiations are aiming to draft new laws for the high seas.
Using trade rules to reduce overfishing: could the new TPP deal be a step in the right direction?
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Over-fishing is a massive environmental and economic challenge. Fortunately, there are new solutions being trialled – including in a tuna hotspot in the Pacific.
Give up, brain coral, we have you surrounded.
Joseph Pawlik, UNCW
