Starfishes are star shaped, marine invertebrate echinoderms. Although some starfish species have more arms, they typically have a center disc and five arms. 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 radiating from a central disc (pentaradial symmetry). Learn about the starfish, its detailed diagrammatic representation, its features and classification. Understand more about these marine invertebrates, their feeding habits and reproductive capabilities. 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 oceans worldwide.
