Starfish or sea stars are a class of marine invertebrates generally shaped like a star polygon. (In common usage, these names are also often applied to ophiuroids, which are correctly referred …

Sep 17, 2025 · Sea star, any marine invertebrate of the class Asteroidea (phylum Echinodermata) having rays, or arms, surrounding an indistinct central disk. Despite their older common name, …

Sea stars, also known as starfish, are easily recognized marine creatures. Despite the nickname “starfish,” the sea star is not a fish at all! These star-shaped animals are surprisingly …

Jan 3, 2019 · From thousands of hidden feet to the ability to grow back lost limbs, these seven facts about sea stars just might make your jaw drop in disbelief! Sea stars lack a number of …

May 9, 2025 · Starfish, or sea stars, are not actually fish. They are unique marine creatures that can grow up to 40 arms.

Sea stars occupy every type of habitat, including tidal pools, rocky shores, sea grass, kelp beds, and coral reefs. Some sea stars even live in sands as deep as 20,530 feet (9,000 meters).

Feb 24, 2022 · She is a super seeker of sea stars. Any place where she has encountered sea stars in the past, she can remember exactly where they were. When she goes to a new …

8 hours ago · PORTLAND, Ore. (KOIN) — After more than a decade of decline, Oregon and Northern California sea stars appear to be making a comeback. A baby boom of ochre sea …

Learn about sea stars, including their habitat, diet, range and population status, and where you can find them at the National Aquarium.

A starfish, also sometimes known as a sea star, is a star-shaped echinoderm commonly found throughout the world’s oceans.