Researchers have been building robotic fish for years, but the performance has never approached the efficiency of real fish.
Researchers used an old theory on vibrating plane wings to study how fish swim so well. They were able to double the swimming efficiency of their robotic fish over a range of speeds.
IUCN workers staff pavilions at the seventh World Conservation Congress in Marseille, southern France.
Gao Jing/Xinhua/Alamy Live News
Which species are becoming endangered and which are recovering, according to the IUCN World Conservation Congress?
Climate change models predict tuna will leave the waters of Pacific Island nations, meaning they will lose a crucial revenue source.
A biologist examines microplastics found in sea species at the Hellenic Centre for Marine Research in Greece, Nov. 26, 2019.
Louisa Gouliamaki/AFP via Getty Images
As more and more plastic trash permeates the oceans, fragments are making their way into fish and shellfish – and potentially into humans.
Fish are attracted to floating objects, especially with dangling ropes or nets.
Fishers who hunt wild tuna use fish’s natural attraction to floating objects to lure them to known positions near GPS-equipped rafts. However, these rafts are attracting increasing concern.
It doesn’t always pay to know what’s really in your food – but it’s fun to find out, anyway.
Children in England are among the most tested and unhappiest in the western world.
Put down the salmon and pick up a sardine (or two).
For the most nutritious and sustainable seafood option, try small ocean fish.
For the global tuna industry, which has historically struggled with illegal and environmentally dubious fishing practices, the use of blockchain could be a turning point.
Blockchain is now helping to bring much-needed transparency to the global tuna industry, which has been prone to corruption, human slavery and unsustainable fishing practices.
Canned tuna is an Australian pantry staple.
Australians love canned tuna. Here’s our handy guide to finding the most sustainable options for you (and your cat).
BBC NHU 2017/Rachel Butler
Blue Planet II reveals what fantastic predators they are.
Five food experts peer under the bread to plumb the histories of the country’s unique sandwiches, from favorites like tuna fish to lesser-known fare like the woodcock.
Not all tuna are caught using sustainable methods.
Are consumers being duped into thinking they are supporting a sustainable fishery?
Tuna being lifted from a fishing boat.
Recently revised guidelines on mercury in seafood suggest cutting bait on some fish but making sure you eat other types. Then there are omega-3s to consider. Here are some tips to help you choose.
Good old Aussie barramundi, straight from a farm in Vietnam.
How do you choose local produce when buying fish, which is caught in vast oceans by a globalised industry? Answer: with great difficulty.
Did someone say Frosties?
It is one of the most controversial questions in nature. Now a group of British researchers have shed light on the answer.
Too many fish in our seas, like this Pacific bluefin tuna, are being lost to over-fishing – but better management can help.
Over-fishing is a massive environmental and economic challenge. Fortunately, there are new solutions being trialled – including in a tuna hotspot in the Pacific.
Monitoring fishing vessels could be a growth industry in the tiny Pacific island nations that govern the world’s largest tuna fishery.
AAP Image/Xavier La Canna
A tiny handful of Pacific island nations control more than 50% of the world’s tuna fishery, and their efforts to monitor international fishing vessels are set to become a major source of jobs.
“Dolphin friendly” can be an empty promise: labels should tell us the entire impact of a tuna fishery.
Leeds Museums & Galleries
Seafood is increasingly marketed as the clean, healthy choice for consumers – full of good oils and proteins and low in fat – with canned tuna a favourite cheap source of healthy protein. But science provides…
Pacific bluefin tuna affected by radiation released at Fukushima following Japan’s 2011 nuclear disaster have allowed scientists…