Starfish are also known as asteroids because they form the taxonomic class Asteroidea (/ ˌæstəˈrɔɪdiə /). About 1,900 species of starfish live on the seabed, and are found in all the …

Sep 10, 2025 · Starfish, also called sea stars, are echinoderms that constitute the class Asteroidea. As their name suggests, they have a characteristically star-like body, with most …

Sep 27, 2025 · Discover amazing starfish facts — their anatomy, regeneration, species, diet, habitat, and role in ocean ecosystems worldwide.

Dec 26, 2025 · For other echinoderms of similar name, see brittle star; feather star. For a species of special interest, see crown-of-thorns starfish. This article was most recently revised and …

Everything you should know about the Sea Star. The Sea Star is a star-shaped marine animal known as the "starfish." Sea stars come in all sizes and colors.

May 9, 2025 · Starfish (or sea stars) are beautiful marine animals found in a variety of colors, shapes, and sizes. All starfish resemble stars, and though the most common have only five …

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

First things first – despite their common (and very misleading!) name, sea stars (or starfish) are neither stars, nor fish! Since they don’t have a backbone, they belong to a group of species …

There are some 2,000 species of sea star living in all the world’s oceans, from tropical habitats to the cold seafloor. The five-arm varieties are the most common, hence their name, but species...

They commonly have five arms but can have up to 50. They come in all colours and reproduce sexually and asexually. Some even give birth to live young. There are starfish in rock pools …