Scientists caught ulcerous fishes in Amur
Habarovsk scientists caught pikes, cat-fishes affected by bleeding ulcers in Amur river. They started fishing for scientific monitoring of Amur basin.
Ichthyologists refrain from comments. The cause of fish lesion and casualty influence of nitrobenzene and other chemicals will be revealed after complex laboratory analyses. There were examples of ulcerous fish before but scales of present affection are disturbing.
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