Salmon affected have a characteristic red-spotted rash on their underbelly and may appear lethargic or moribund. In the past few weeks, suspected cases have also been reported in Denmark, Norway and Scotland.

One person was evacuated and brought to safety after the landslide at Kråkneset in Alta municipality. A total of eight buildings were swept to the sea in the 650-metre landslide. Due to a high avalanche risk, police have still not entered the area.

"We’re way, well below what we expect to be at this point,” said Jeremy Botz, a biologist with the Alaska Department of Fish and Game. He says so far the entire commercial fleet has harvested around 6,000 sockeye, which is way below what the department anticipated

Eutrophication — excess nutrients in water — and environmental changes were identified as the cause of the harmful algal blooms in the fresh aquatic system of the Achencoil.

A large stock of capelins have been found in Faroese fjords of late and scientists believe that the fish probably swam there from Icelandic waters, RÚV reports. Iceland’s capelin stock has been in decline over the last two years, likely due to rising ocean temperatures.

The white spots found in the smelt appear to be tapeworm or nematode larvae. The Centers for Disease Control and Prevention (CDC) recommend cooking fish at about 153 degrees Fahrenheit for 5 minutes or freezing the fish at -4 degrees Fahrenheit for 7 days to kill the larvae before you eat the fish.

Look down into the waters of the Venice canals today and there is a surprising sight – not just a clear view of the sandy bed, but shoals of tiny fish, scuttling crabs and multi-coloured plant-life.

Some welcome new visitors have recently appeared in a southeastern Alberta park — otters.

A tear was discovered in one of Arctic Fish’s open-sea fish farms in Dýrafjörður in the Westfjords. A notice on the company’s website says the tear was discovered during routine inspection and is located at a depth of about 20 metres (65 feet).

Ecologist fears the Macleay River may take decades to recover, with heavy rains likely to affect other waterways