Large numbers of of their deaths only naturally living chronic illness dead

Ocean university marine products in Shanghai and professor in the college of life, Chinese the shell animal academic association director and Shanghai City animal academic association director become Xu always say, having already changed residence habitual fish shrimp the crab is also such, water environment anoxia, water temperature mutation, keep on low temperature or heat, and explosion disease...etc. much reason will cause them large numbers of death.Sometimes, large numbers of of their deaths only naturally living chronic illness dead.For example, the life span of the hairy crab only has for 24 months.
The weather reason or is a chief culprit
Become always Xu professor analytical say, this time drive medium extensively report of several animal death back, also have a lot to the guess of "chief criminal", such as the Yan fire frighten to say, disaster Gulf of Mexico leak oil affairs to say, modern style weapon experiment say etc., among them, more reasonable science is calculating is the weather reason:Go into a winter night, strict cold in winter, the air temperature suddenly descend and make bird and fish can not adapt to dead in succession." In the near future die of fish mainly is sardine, stone head fish and Nian fish."Become always Xu to say, fishes of these categories all have to the temperature very sensitive, like to flow out to look for food toward the river mouth discount sunglasses together"habit".