Fish physiology

A total of 325 tons of trout perished at two separate production facilities in the eastern province of Van's Gürpınar district as a result of oxygen deprivation.

The dead fish were buried underground and a report was filed by the District Directorate of Agriculture and Forestry teams.

Several substances seem to have contributed to the massive fish die-off in the Oder River that forms much of Germany's border with Poland, a German official have said.

Warmer waters off the coast of Devon and Cornwall could result in more sightings of the fearsome ocean predator in the coming decades. 

There are already 40 different species and an estimated 10 million sharks in our waters - but that number could be set to grow over the coming decades.

Sea lovers have now a new way to explore the marine life without having to come up for air.

Triton, a state-of-the-art oxygen respirator, that allows you to breathe underwater up to 45 minutes and at a maximum depth of 15ft by utilizing ‘artificial gills’ technology.