Usually, large starfish species tend to live longer than their smaller counterparts. 7. It Is Not OK to Take Them Out of the Water "Like many aquatic animals, sea stars get their oxygen from the ...

So, if starfish are not fish, what are they exactly? They are a type of invertebrate called echinoderms and are also known as sea stars. These animals are in the Asteroidea class, which is the largest ...

Deep in the underwater world, animals like starfish use unusual ways to escape predators. In an act called autotomy, starfish shed one or more of their limbs to flee their hunters. The severed, ...

While earlier studies had shown that some starfish that live in shallower, brighter water have and use compound eyes, no one had previously looked at animals occupying the sea floor. “What you see in ...

Small, hidden crabs may be the missing link influencing coral-eating starfish populations, according to a study published in ...