Saltwater Fish: Different Types of Saltwater Fish

Saltwater fish are fish that spends a few or the greater part of their lives in saltwater, for example, seas or salt lakes. The first fish date back 600 to 500 million years ago, when fish were the main vertebrates that appeared. They passed an evolutionary process by the different geological eras, that happened to convert simple larvae into the species that we have today. They evolved, and that is …

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