Red-finned blue-eye
Bush Heritage Australia / Adam Kerezsy
Twenty of these freshwater fish species have a 50% or greater probability of extinction within the next 20 years.
Seagrasses support a wide variety of life.
Reinhard Dirscherl/ullstein bild via Getty Image
Between 1986 and 2016, Kenya lost about 21 of its seagrasses.
Valley Journal/Shutterstock
Fish need to cross roads too. But the tunnels built to channel rivers under roads and railways can block their migrations.
Plastic bottles, containers and other waste washed up from the Lagos lagoon at one of the waterfront jetties
Stefan Harris/AFP via Getty Images
Pollutants from industrial and domestic sources in the Lagos lagoon represent a cocktail of environmental contaminants.
Tarmo A. Raadik
I’ve worked in threatened fish conservation and management for more than 35 years, but this species is special to me.
Mannus Creek in NSW during the 2020 bushfire period.
Luke Pearce
When the post-bushfire rains finally arrived, the situation for many fish species went from dangerous to catastrophic. A slurry of ash and mud washed into waterways, sending oxygen levels plummeting.
Salmon spawn in an Alaska river.
(Shutterstock)
As climate change warms northern rivers and changes precipitation patterns, some types of cold-loving fish are failing.
A brown Mediterranean grouper. We don’t see it on the picture, but it hosts many parasites!
Parent Géry/Wikimédia
Mediterranean groupers are not alone: they are home to a wide variety of parasites.
VH Studio/Shutterstock
A new study shows high-fibre brown rice also contains more arsenic than white rice – so which is better for you?
Dean Lewins/AAP
Fish must be released into good quality water, with suitable habitat and lots of food. These conditions have been quite rare in Murray Darling rivers in recent years.
Robson, 1925, collected 2008, Ross Sea, Antarctica. Gift of the Ministry of Fisheries, 2007. Te Papa (M.190318)
Colossal squid have eyes the size of soccer balls, and can weigh up to 700kg. That’s a lot of calamari!
Schopier/Wikimedia
The NSW government is soon expected to grant environmental approval to Snowy 2.0. But that process should be halted.
Issac Nicoll packs lobsters for shipment at the Lobster Company in Kennebunkport, Maine, on March 13, 2020. Coronavirus has disrupted global markets for live lobsters.
(AP Photo/Robert F. Bukaty)
With restaurants closed and prices dropping, fishers are finding new ways to keep their business above water.
Victor Huertas
From a scientific perspective, the results are fascinating and world-first. From a personal perspective, what I saw will stay with me for a long time.
Katrina Kenny
The arrangement of bones in our specimen’s fins are the same as those of ‘fingers’ in tetrapods. The only difference is the digits are locked within the fin, and not free moving.
Dean Lewins/AAP
Fish, frogs, turtles and platypus at major risk of extinction following the bushfires. So why aren’t they getting much attention?
Graeme McCrabb/AAP
Recent rains have not eliminated the threat of a repeat of last summer’s mass fish deaths.
After heavy rainfall, debris could wash into our waterways and threaten fish, water bugs, and other aquatic species.
Jarod Lyon
Fire debris flowing into Murray-Darling Basin will exacerbate the risk of fish and other aquatic life dying en masse in a repeat of the shocking fish kills of last summer.
Mercury levels in Pacific sardines could rise by as much as 14 per cent if greenhouse gas emissions continue to rise.
(Shutterstock)
Regulations have lowered mercury emissions globally, but the risks to ocean ecosystems and human health may be getting worse.
Fishing boats in Senegal.
Fabian Plock/Shutterstock
The EU continues to enter into fresh agreements with countries, despite evidence of serious population declines in the species of interest.