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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 …

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 …

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 …

Starfish, part of the Phylum Echinodermata and Class Asteroidea, are broadly divided into two subclasses: Asterozoa and Ophiuroidea. They are diverse creatures, with about 1,500 to …

Learn all about starfish (or sea stars), with starfish facts about behaviour, habitat, range, diet and defence mechanisms...

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

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...

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

Oct 31, 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 …