Baby shark

The alien-looking organism inside this glass jar goes by a variety of names. In scientific circles, it's known as Stegostoma tigrinum.

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Informally, however, people refer to it as an Indo-Pacific leopard shark. Or at least they do when it's a fully grown, 2.5m-long (8ft) adult and has developed its distinctive spotted skin pattern. As a juvenile, though, it has bold brown and white stripes - a pattern that inspired its common name: the zebra shark. The one you see here, how