Another fox on Svalbard has tested positive for rabies after being caught in a trap, according to Svalbardposten.

Hundreds of Atlantic salmon and sea trout have died in the Gaula River in Midtre Gauldal, Trøndelag. Researchers suspect a severe outbreak of egg-spore water mold (Saprolegnia) and are investigating the scale and causes.

Authorities have detected blue-green algae in Loch Moy, south of Inverness, and are urging the public and pet owners to avoid contact with the water. Warning signs are being posted as agencies investigate potential health risks.

A fox euthanized after abnormal behaviour in Arviat, Nunavut, has tested positive for rabies, prompting health officials to warn residents to report unusual animal behaviour and seek immediate care after bites or scratches.

Alaska health officials issued an alert after wild shellfish from Kachemak Bay’s inner bay tested above regulatory limits for paralytic shellfish poisoning toxins. Residents are warned not to harvest or eat untested wild shellfish; monitoring and test results are being posted by the Alaska Harmful Algal Bloom Network.

A persistent heatwave in Finland is fueling dense blue-green algae blooms in the Baltic Sea’s Gulf of Finland and Archipelago Sea, with freshwater sightings remaining stable.

The Kachemak Bay National Estuarine Research Reserve detected Pseudo-nitzschia at bloom levels in Kachemak Bay starting July 4. This diatom can produce the toxin domoic acid, associated with amnesic shellfish poisoning, though toxin production is not yet confirmed. Observed bird deaths and marine mammal strandings have spurred collection of mussel samples for lab testing.

UAF graduate student Leanne Bulger may take an even deeper look into the mysterious hole in the ground that is likely one of many developing all over Alaska.