I. Fish tanks have come a long way since the traditional fishbowl. They’ve been made into many shapes sizes all for different purposes.
A. For more than 4,000 years, men and women have kept fish, first in ponds and later in tanks. The earliest known fish keepers were the Sumerians, who as long ago as 2500 B.C. kept fish in ponds and used them as food.
a) The first known formal study of fish was conducted by the Greek philosopher Aristotle (384-322 B.C.) by studying there structure and other characteristics; he carefully recorded accurate information on 115 species of fish then living in the Aegean Sea.
b) . In 1856, the governments established now today as the Division of Fishes of the Smithsonian Institution's National Museum of Natural History.
c) The next 50 years saw a virtual explosion of interest in fish and their environments. Such famous institutions as the Woods Hole Oceanographic Institute and the Scripps Institution of Oceanography) were established during this period.
B. Generally there are three types of tanks that break off into several different categories the main types which are brackish water, Salt water, and Fresh water.
a. Salt Water tanks consist of entirely Saltwater that can be made with aquarium salt and fresh water or natural salt water.
i. Salt Water tank mostly consist of live rock and sea anemone’s and only salt water fish. Their light fixtures mostly consist of white or blue tints and are mainly LED lighting.
b. Fresh Water tanks consist of entirely Fresh Water that has dechlorinated as to prevent harm to the fish.
i. Fresh water tanks are mostly stocked with schooling fish, artificial plants and colored rocks or real plants and rocks and sometimes ornaments and