Since 25 February, were the precursors future tragedies in Fukushima
Ringing Earth - Tibetan Monks in "spirit cave" hear new sounds
The phenomenon looks more like a reaction to a local chemical pollution.
I've seen this before.
In these photographs the fish photographed in one of the ponds of St. Petersburg. Fish use any opening in the ice to breathe oxygen.Lack of oxygen in the ponds due to strong pollution of urban water.(February 2011)
Unusual phenomenon could be observed in Sevastopol. In December and January, whole water area filled with jellyfish.