fish tagged posts

Can eating fish ever be sustainable?

For someone looking to make their diet more sustainable, the choices when it comes to eating seafood can be frankly baffling. It’s a vast category of food that includes everything from farmed prawns to wild-caught mackerel, and can have a huge array of environmental impacts, from high carbon emissions to the nasty effects of overfishing, slaughtered bycatch or antibiotic pollution.

Many people seeking to eat more environmentally choose to eschew it altogether and go for the vegetarian or vegan option.

But some seafood can be low-carbon, low environmental impact and also be a healthy source of food. And if you’re going to eat fish, making sure you choose a more sustainable option can make a huge difference.

“The category of seafood is really diverse,” says Jessica Gephart, assis...

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Fish Form Social Networks—and They’re Actually Good

A school of fish swims in the Coral Sea

Among the many egregious scientific inaccuracies of  Finding Nemo – fish can talk, sharks form support groups, turtles wax their shells – perhaps none is more glaring than the conceit of fish maintaining friendships. As many a marine biologist has noted, fish aren’t in it to make friends – they’re in it to survive and reproduce.

But scientists are uncovering a fascinating exception in coral reefs, not unlike the one Nemo called home: Here fish of various species band together, developing social networks exactly to survive and reproduce...

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