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Wallpaper Wednesdays: No Bones About It

All sharks have skeletons made of cartilage instead of bone.

  • Multimedia
  • Animals

Freshen up your home screen with our one-of-a-kind wallpaper featuring a radiograph taken of the underside of a sand tiger shark's head.

Mobile & Desktop Devices One Toothy Maw

A sand tiger shark's teeth are pointy and narrow, so they're great for piercing small prey. The teeth are held in place by soft tissue and fall out with use, so replacement rows are always growing.

Wallpaper Wednesdays More in This Series

Multimedia Wallpaper Wednesdays: Pausing to Appreciate Hummingbirds

Multimedia Wallpaper Wednesdays: Time Flies

Multimedia Wallpaper Wednesdays: Zigzagging Zebra Sharks

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