Tropical fish refers to fish native to tropical or subtropical rivers, lakes and seas that are available for viewing. Such as red arrow, blue star, black Mary, pearl, swallow fish, etc. With their small bodies, bizarre shapes and beautiful colors, these fish have won the hearts of millions of enthusiasts around the world. Raising tropical fish originated in Germany.
Around 1840 AD, a German accidentally discovered several beautiful tropical fish in the river. He took them home and raised them in glass containers. He also put water plants, sand and gravel in the containers, which looked like the scenery in a natural lake. interest of friends and neighbors.
In 1923, after the German Budd wrote the monograph "Freshwater Fish in the Aquarium" on raising tropical fish, more and more people kept tropical fish. At that time, Europeans liked to put beautiful tropical fish into aquariums and put them on the dining table at large banquets to increase the pleasure of the meal. Later, tropical fish became decorations in living rooms and bedrooms. In the early days, people often hybridized different types of fish and gradually formed some new varieties.
At present, there are more than 2,000 species of tropical fish raised in the world. my country began to introduce tropical fish in the 1930s.
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