
Starfish Info | Student Success System at Penn State
Starfish is a powerful tool that helps us identify students in need of support in real time, connects students to the resources designed to help them, simplifies communication between members of …
Starfish - Wikipedia
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 world's oceans, from …
Starfish - Types, Anatomy, Habitat, Diet, Lifespan, & Reproduction
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 species having five arms …
12 Surprising Facts About Starfish - ThoughtCo
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 arms, some of …
Sea star facts for kids | National Geographic Kids
Learn all about sea stars (or starfish), with sea star facts about behaviour, habitat, range, diet and defence mechanisms...
Starfish (Sea Stars) | National Geographic
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...
Sea star | Echinoderm Anatomy & Adaptations | Britannica
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 updated by …
17 Types of Starfish: Species, Habitats, Diets - TRVST
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 2,000 …
Starfish (Sea Star) - Ocean Info
A starfish, also sometimes known as a sea star, is a star-shaped echinoderm commonly found throughout the world’s oceans.
Fascinating Facts About Starfish: Nature’s Ocean Stars
Sep 25, 2024 · Starfish, also known as sea stars, are among the most fascinating marine creatures. With their unique star-shaped appearance and incredible regenerative abilities, starfish are found in …