Toxic nanoparticle treatment of ponds of farmed fish could be made safe by embedding in into water filters, find scientists in Iran.

Poor management and overexploitation mean many species of this commercially important food fish face extinction, says study.

Science could lead the fightback by French Polynesian black pearl farms hit by overproduction and the economic downturn.

With a new study predicting temperature increases of three times the global average by 2050, farmers and fishermen could see outputs plunge.

Human urine is not only a good substitute for urea — a costly chemical fertiliser — but also synergises well with compost.

The impact of disease on fish farming could hit food security and damage the economies of many tropical nations, a study reveals.

Farming fish in Bangladesh's inundated rice paddies can improve food production and tackle climate change issues.

New ocean commission will provide informal advice to the UN and firms on issues such as overfishing and gaps in governance of the high seas.

Lack of environmental policies to protect watershed ecosystems prevents mitigation of its deterioration in the Brazilian Amazon, say experts.

Over the twenty-first century, wave height could fluctuate by up to 30 centimetres and severely affect fisheries in the global South, say scientists.

Using Norwegian fish breeding technology Nepal hopes to boost food security and provide livelihoods.

Research suggests that growing crops on freshwater lakes could ease irrigation demands and boost global food supplies.

Stocks of highly sought-after Pacific bluefin tuna have plummeted since large-scale commercial fishing began, according to the latest assessment.

More than 140 nations have agreed the first global, legally-binding treaty to prevent man-made emissions of mercury into the environment.

Controlling the numbers of snails in fish farms in Vietnam is crucial for the prevention of infections that can cause liver cancer in humans.

Tilapia fish breeding programmes have delivered new strains that could raise producers' income and enable poorer people to afford fish.

Spreading the use of science and new technology can help deprived groups in developing nations and boost growth, says OECD report.

A call to protect a key tuna species has been ignored by the big fishing countries at a recent meeting, says Pacific island fisheries body

The planned construction of 88 dams on Asia's Mekong river will decimate fish supplies and threaten food security, scientists claim.