U.S. authorities are concerned about the massive loss of marine life of various kinds. This is the second wave of mass death of fish this year, and its cause, as well as the first wave is not installed.
In March of this year in the state of California has seen a similar incident. In the south-west of Los Angeles, in the small harbor area of Redondo Beach, a layer of dead sardines, mackerel and anchovies reached 30 cm in the total number of dead marine life is estimated at 1 million animals. Andrew Hyuan Department of State "for fisheries and recreation" with colleagues then conducted the examination of samples of sea water, however, the chemical or toxic substances in concentrations harmful to the fish was found. Biologists investigate several dead animals, and concluded that the cause of mass death was most likely a lack of oxygen in the harbor basin, which occurred due to the large number of fish in a limited body of water. There is no consensus about what caused the accumulation of marine life in the harbor in an amount yet.
In April and May, the California coast were found dead dozens of leopard sharks. The experts found that death occurred from internal bleeding. In this case, even the blood oozing from the skin. The specialists of the Department of Fish and Game California autopsy dead animals found inflammation, bleeding and brain damage, bruises on the skin. This is not an isolated case. In late May, the locals are on the coast half-dead sharks are dumped on land. The witnesses tried to save one of the sharks, returning it to the water, but she always came back and thrown back to shore.