Species Image
critically endangered

scalloped hammerhead

Danger Level Icon
sphyrna lewiniESA Categories -sharks & rays
  • National Parks/ Sanctuaries

    -

  • Common Names

    scalloped hammerhead

  • Regions

    MexicoBrazilCalifornia, United States

  • Population

    200,000

  • Habitat

    coastal regions, around coral reefs, and near seamounts and island chains

  • Weight(in lbs) and Life Span

    150–340 pounds (68–1... and 20–30 years in the wild

The Scalloped Hammerhead is a large shark species easily recognized by the unique shape of its head, known as a "cephalofoil." This broad, flattened head is scalloped along the front edge, giving the species its name. Adults can reach lengths of 10–13 feet (3–4 meters) and weigh up to 340 pounds (154 kg). These sharks have a grayish-brown body, white underbelly, and are typically found in tropical and warm temperate seas. Scalloped Hammerheads are social animals and are often seen in large schools, particularly around seamounts and coastal areas. They play a key role in maintaining the balance of marine ecosystems by controlling prey populations.

Activity Instructions

  1. Draw the Animal: Use the next page to draw a picture of the animal. Use your imagination and make it colorful!
  2. Write an Essay: Write a short essay about the conservation efforts to save this animal. Here are some questions to guide you:
    • Why is this species important in its ecosystem?
    • What are the threats it faces, and how can we help?
    • What do you find most interesting about this species?
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