All about Fish

How Many Species of Fish? Yes, it’s true, in terms of numbers of individuals and in terms of numbers of species – fish easily out-compete all the other vertebrates. Of which, just over half live in fresh water – which is incredible when you think about it beca fresh water accounts for about only 0.3 percent of the free-flowing water on planet Earth. However, science has been naming new species at the rate of about two hundred or more per year, over the latest decade.

Fish diseases may ca severe losses on fish farms through reduced fish growth and production; increased feeding cost cad by lack of appetite and waste of uneaten feed; increased vulnerability to predation; increased susceptibility to low water quality; death of fish. two. While it may be challenging to avert fish diseases completely, it’s better to attempt to prevent their occurrence rather than to authorize them to expand and then attempting to remedy them once they start to ca problems . To remedy a fish sickness is much more challenging and generally calls for the services of a specialist. By the time proper treatment can be organized, the sickness may have become more serious. In some cases surviving fish are so weakened that effective treatment becomes difficult.