Ruby brittle starfish

Echinoderms

Echinoderm Videos

Phyla

  • Echinoderms: The Ultimate Animal

Animation

  • Echinoderm Animation: Five-part symmetry
  • Echinoderm Animation: Sea Star Body Plan

Behavior

  • Echinoderms: Sea Star Time-lapse: Don Wobber’s Film
  • Echinoderms: Urchin Time-lapse Eating Kelp
  • Echinoderms: Sea Star Time-lapse: Pycnopodia Chases Snail
  • Echinoderms: Sea Star Time-lapse: Eating Dead Fish
  • Echinoderms: Sea Star Time-lapse: Eating Mussel

General Info

  • Book with pencil

Role in Ecosystem

  • Bee with arrows around it

Climate

  • Thermometer and waves

Human Interaction

  • Human next to globe

Paleontology

  • Skull of dinosaur
  • Artful Echinoderms
    Lesson Plan
    Artful Echinoderms
    Engaging Students with Echinoderm Phenomena, Adaptations, and Art

    Full Lesson Plan

All Echinoderms Lesson Plans

  • Purple echinoderms
    Factsheet
    Echinoderms: The Spiny Rebels
    Modern echinoderms, which include sea stars, urchins, sea cucumbers and sea lilies, have a unique body plan with a five-part symmetry.

    Download Factsheet

All Factsheets

  • Starfish that are blue, yellow, purple
    Reading
    Echinoderms: Give me Five, an Ultimate Animal
    "If there are animals from another planet already here, they're probably starfish."

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All Readings

Creature

Sunflower Star Pycnopodia helianthoides

The sunflower star is one of approximately 2000 sea star species worldwide. It’s the largest sea star with the most arms. Those arms have given it the common name: sunflower

More Echinoderms

Sunflower Starfish

Scientist

Andrew Kim

“Being in the kelp cathedral” was the closest to a spiritual experience that Andrew had ever had.

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Urchin Eyes

Did You Know?

Sunflower Stars Wanted

It’s not your typical “wanted” poster, but one of our team members spotted this on the coast north of San Francisco.

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pycposter

Shape of Life Blog

Pycnopodia, Sea star Wasting Disease Revisited

The culprit behind sea star wasting disease

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sunflower star