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Ellis Abel Learns.

In my own words

Why I love sharks

A blacktip reef shark swims just under the sunlit surface, above a head of coral, at Palmyra Atoll National Wildlife Refuge in the Pacific Ocean. Real USGS photograph used on the Ellis Abel Learns "Why I Love Sharks" page.
A blacktip reef shark swims just under the sunlit surface, above a head of coral, at Palmyra Atoll National Wildlife Refuge in the Pacific Ocean. Kevin Lafferty, USGS · Public domain
  • They were here before trees were.
  • They can feel electricity in the water.
  • Most of them are nothing like the movies.

What it really is

Sharks sense electric fields, and their body plan is older than trees.

Three things to try today

  1. Find out how long sharks have existed.
  2. Compare that to trees.
  3. Find one shark fact the movies got wrong.
A USGS biological science technician in purple gloves implants an acoustic tracking tag into a juvenile salmon on a river bank. Real USGS photograph used on the Ellis Abel Learns "Why I Love Sharks" page.
A USGS biological science technician in purple gloves implants an acoustic tracking tag into a juvenile salmon on a river bank. Ryan Tomka, USGS · Public domain

For the grown-up reading this

Sharks predate trees by roughly a hundred million years. It resets a child's sense of deep time.

Why I love sharks — 4,299 places across America

Alabama (87)
Alaska (33)
Arizona (43)
Arkansas (86)
California (273)
Colorado (85)
Connecticut (27)
D.C. (1)
Delaware (5)
Florida (158)
Georgia (185)
Hawaii (8)
Idaho (54)
Illinois (155)
Indiana (117)
Iowa (112)
Kansas (116)
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Louisiana (81)
Maine (21)
Maryland (35)
Massachusetts (53)
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Mississippi (88)
Missouri (131)
Montana (61)
Nebraska (97)
Nevada (22)
New Hampshire (13)
New Jersey (45)
New Mexico (40)
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North Carolina (127)
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Ohio (124)
Oklahoma (88)
Oregon (51)
Pennsylvania (88)
Rhode Island (6)
Rhode Island and Providence Plantations (5)
South Carolina (65)
South Dakota (68)
Tennessee (114)
Texas (340)
Utah (48)
Vermont (16)
Virginia (158)
Washington (77)
Washington, D.C. (1)
West Virginia (64)
Wisconsin (95)
Wyoming (25)

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