What are the major types of fishes which are seen in the ocean?
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Answer:
Explanation:
Scientists group fish into three main types. They are divided into these groups because of the structure of their mouths and the types of skeletons they have. There are jawless fishes, cartilaginous (cart uhl AJ uh nuhs) fishes, and bony fishes.
Some estimates report the world's oceans are home to 20,000 species of fish. Ocean fishes come in all shapes, sizes, colors and live in drastically different depths and temperatures.
The Cyclothone Bristlemouth is not only the most common fish in the world, but probably the most common vertebrate animal of any kind too. Marine biologists estimate that there may be upwards of several trillion of these shiny 3-inch long little guys swimming around in the ocean right now.