
Phylum Echinodermata
Starfish & Sea Urchins
Spiny-skinned marine invertebrates called echinoderms, starfish and sea urchins are important predators and grazers in ocean ecosystems. These radially symmetric creatures possess remarkable regeneration abilities and unique water vascular systems for movement.
🧬 Scientific Profile
Discover the fascinating biology and behavior of starfish & sea urchins
Habitat & Range
Found in oceans worldwide from intertidal zones to deep sea environments. They inhabit rocky shores, coral reefs, sandy bottoms, and kelp forests.
Diet & Behavior
Starfish are predators and scavengers that feed on mollusks and barnacles. Sea urchins are grazers that feed on algae and kelp, playing important ecosystem roles.
Amazing Facts
Echinoderms have unique water vascular systems for movement and feeding. They can regenerate lost body parts, with some starfish regrowing entire arms.
🌱 Conservation & Protection
Learn how you can help protect starfish & sea urchins and support marine conservation efforts
How You Can Help
Reduce carbon emissions to combat ocean acidification. Support marine protected areas. Participate in citizen science projects monitoring populations.
💡 Every action counts! Small changes in daily habits can make a big difference for marine conservation.
Conservation Organizations
🔗 Consider donating or volunteering with these organizations to directly support starfish & sea urchins conservation.
See Starfish & Sea Urchins in Person
Visit these aquariums to observe starfish & sea urchins and learn more about marine conservation
Support Conservation: Many of these aquariums participate in breeding programs, research, and education that help protect wild starfish & sea urchins populations.