Mackerel sharks are thought to have been around for some 120 million years. They are an order of fish that includes some of the most iconic shark species, from the basking and mako sharks to the great white. Mackerel sharks boast among their numbers both the harmless filter feeders and a few very fearsome predators. There are 15 species in the order some of which reach very large sizes. The basking shark, for example, can grow to over 10 metres! All species of mackerel shark give birth to live young.

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