Water covers over three-quarters of the earth’s surface and fish are the most numerous of the vertebrates. There are about 31,500 species of fish and they are classified by physical characteristics, habitat, behavior etc.
The Indian Ocean is the world’s third largest ocean, covering 20% of the earth’s water. The warmth of the Indian Ocean keeps phytoplankton production low in most of the ocean. As a result, there is not a tremendous amount of life in the Indian Ocean. Russia, Japan, South Korea and Taiwan all border this ocean […]
It is hard to keep track of the numbers of fish in the rivers, lakes and oceans because they move around so much. It also hard to protect them for this reason. Fish which return to the same stream every year to spawn are easier to keep track of. The main reason fish become endangered […]
Goldfish have been around for only 5,000 years! They originated in China, where carp with golden scales were selectively bred. Today there are scores of different varieties. Goldfish are the most popular pet in the world and may live for over 25 years – if they are cared for properly. The first thing you should […]