Scientists say that fish appeared in the oceans about 500 million years ago. Fish live both in salt and fresh water bodies, from deep oceanic chasms to mountain streams. As part of the food chain, fish play an important role in most aquatic ecosystems. Many species of fish have important commercial value, since humans use them for food. Here is a tricky question for you: where do you think a dweller of a sun-scorched African countryside going with a shovel on his shoulder? Hint: there isn’t even a trace of a puddle around. Answer: fishing! You heard right – he is after a special kind of fish, which amazingly gave up living in water. So, amazing and interesting facts about fishes.
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