![]() ![]() When fully regenerated, this creates a genetically identical starfish! They don’t always have five arms And, even more incredibly, if the severed appendage is not harmed, then it can heal itself and regenerate because most of its vital organs are kept in the arms. And since there’s no shortage of water around them, they’ll never run out of it! Starfish can regenerate their armsĪmazingly, the starfish has the ability to regenerate its own arms! If they’re attacked by a predator, they may end up losing limbs, but the sneaky starfish can also amputate one of its arms in order to hide and escape, throwing other animals off their trail.īut because its arms can take months or even years to regenerate, it has to be a serious situation in order to lose one. Instead of blood, seawater is pumped through their body as a replacement, with the water providing key nutrients to starfish which allows its organs to function properly. It seems strange to think that starfish can even survive without a brain or any blood, but if nothing else, starfish are a species with their own way of doing things. ![]() Starfish aren’t actually fishĭespite their name, starfish aren’t actually fish! For a start, they don’t have gills, scales or fins like fish do, and they don’t have a backbone, which means they belong to a group of species called invertebrates, along with urchins and sponges.Īnd, because they’re not classified as fish, scientists prefer to call them ‘sea stars’, but we think it might be a while before the new name catches on. ![]() Here, we’ll take a closer look at the starfish in more detail! Or discover some of the other wonderful animals we have at Tynemouth Aquarium here. There are all sorts of incredible facts and information about the starfish you might not know about. One of the most vibrant, fascinating creatures of its kind, there’s a lot more to starfish than just their unique look. ![]() Found throughout the world’s oceans in a variety of shapes, sizes and colours, there are over 2,000 species of starfish that call water their home. ![]()
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