Tag Archives: sea life

Extinct Sharks

Extinct Sharks Species

Extinct Sharks The first sharks appeared in the Devonian, about 420 million years ago. From the Cretaceous 100 million years ago, many species of sharks adopted their modern form. Since then, there have been around 500 species of sharks grouped into 35 families. Sharks breathe through five to seven-gill slits. …

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5 Most Expensive Fish In The World

golden fish

5 most expensive fish in the world A fish is usually valued based on how rare, beautiful, and unique it is. The more availability of fish, the cheaper the price. Although the fish sold are fish that will be used in the food industry, there are apparently freshwater fish that …

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