Queensland groper, typical of coral reefs off Queensland at 27°S were found in the Bay of Islands, north of Auckland, at 35°S.
Analysis of last summer's heatwave shows it killed farmed salmon and decimated kelp forests, as well as shifting grape harvests and fish spawning times forward by several weeks.
Experimental field of a salt-tolerant rice variety in Bangladesh.
Rising seas and groundwater depletion, both driven by climate change, are making soils saltier in many parts of the world. Farmers will need help adapting, especially in developing countries.
A fisherman on Kwan Phayo.
Philip A. Loring
Many people focus just on agriculture and new technologies for feeding the world's growing population. Yet, fisheries are the centerpiece of billions of people's diets.
Bird’s eye view of an open sea fish farm in, Aegean, Turkey.
Aquaculture is endangering the marine environment, threatening the livelihood of small-scale fishers and food security.
Gulf Coast oysters on the half shell at Wintzell’s, Mobile, Ala.
Oysters are big business along the Gulf Coast, but raising them off-bottom – which yields a premium product – is just starting there. Hurricane Michael showed it won't be easy.
There have been a variety of approaches to tackle malnutrition. The continent needs to learn from past mistakes across the world.
Farmed fish like these carp now make an important contribution to global food security.
Many critics say that fish farms mainly sell their output to wealthy countries and don't provide much benefit to poor people in producing countries. Three aquaculture experts show why this view is wrong.
Colleen Burge counts oysters on an oyster aquaculture lease in California.
Oysters grow in seawater and filter their food from it, so how do you shield them from waterborne diseases? Scientists are working to develop strains that are resistant to a fast-spreading herpes virus.
Pike Place Market, Seattle.
A new study shows that sustainable fish farming in deep ocean waters could produce as much seafood as all of the world's wild fisheries, in a space the size of Lake Michigan or Africa's Lake Victoria.
Giant kelp can grow up to 60cm a day, given the right conditions.
In an extract from his new book, Tim Flannery explains how giant kelp farms could suck carbon dioxide from the air and store it in the ocean's depths, while encouraging species like fish and oysters.
The remains of one of six partially eroded islands in the nation of Solomon Islands.
Due to rising sea levels, low-lying island nations are in immediate danger. If drastic measures are taken, this disastrous trend can be transformed into an opportunity for sustainable development.
Almost all production of freshwater fish includes Tilapia.
In light of World Oceans Day, it's important to note the important role aquaculture can have on the continent.
The focus of food production systems, including aquaculture, must move beyond maximising yields to consider nutritional quality too.
A pot of gold? Only if you’re not complacent about the science.
Adam Davey/University of Tasmania
Aquaculture development needs to be able to trust the science, and the science needs to be delivered in a timely way if we hope to ensure long-term sustainability of this industry.
Brian Snyder / Reuters
Turns out that growing food hooked up to fish tanks is actually a pretty good idea.
World’s omega-3 shortage affects farmed salmon.
New research is looking at obtaining precious omega-3 from GM crops – just as the Scottish government announced a ban.
Megamelus scutellaris insects fighting aquatic weeds.
Biological control is the best way to combat aquatic weeds in African water.
From boom to bust: tiger prawn farming.
The tropical island was one of a number of countries that joined the goldrush of prawn farming in the 1980s and 1990s. New research lays plain the results.
A fish out of time is as bad as a fish out of water.
There has been mounting excitement in recent years around the potential for improving treatments by giving people medicines at the right time of day. Turns out it works for fish too.
What’s for dinner? Salmon parasites.
Stirling Institute of Aquaculture
Ballan wrasse enjoy eating the tiny sea lice that plague salmon farms.