Tag: sharks

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The bigeye sand tiger and smalltooth sand tiger are separated by genus from the sand tiger shark. The primary difference is the former’s lack of crushing posterior teeth.

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Due to their different body proportions and color patterns, juvenile and subadult zebra sharks have historically been described as separate species.

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The graceful shark is a rarely encountered species of requiem shark. Most of what we know of it comes from specimens, as there have been few sightings.

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Copper sharks occupy a variety of habitats. They have been found from the surf line to depths of up to 328 ft (100 m), and are believed to range deeper.

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Basking sharks’ migration to tropical depths may be connected to breeding, because there are no reported sightings of basking shark newborns.

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There have been reports of territorial behavior in silvertip sharks, and they are usually encountered alone or in pairs.

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Horn sharks have distinctive small spikes on the front of their dorsal fins. They are rumored to be poisonous, but this has not been tested and may or may not be true.