Fish stocks threatened by low water levels

Czech fish farms and anglers’ associations say hot weather and insufficient rain are devastating stock. Some fish have had to be transferred to other pons in the south of the country because they are suffocating where they are, the news server reported on Sunday. The low levels of ponds and rivers are also leaving fish easy prey to cormorants. Low water levels have also resulted in the fast spread of a parasitic infection of fish which causes dark spots on their skin and leaves them open to other infections.