3/21/2024 0 Comments Skin gills tarfish![]() ![]() Yes! Without blood, brain and even a Central Nervous System, it might look a bit out of the ordinary that they have eyes. But it can regenerate itself into a new starfish with its central disk and with only one arm attached. Arms can take days, months, or even years to fully regenerate. ![]() The starfish may lose their arms when they come in contact with a predator or if they are stranded in any other threatening situation. ![]() Starfish is an expert with the art of regeneration and can regenerate its own armsĪnother peculiar character of the sea star is the regeneration of their arms and sometimes their entire body! This attribute works to its advantage in various situations. So, starfish blood is actually filtered seawater! 3. The use of water saves space as there is no need for an intricate blood system in the body and this also serves very well because it can never run out of seawater. Seawater is pumped throughout their body as a replacement for blood, and this consists of the peculiar ‘water vascular system’. It might sound ridiculous that they survive without blood or brain, but sea stars have an uncommon and simple way to survive. Also, read about deadliest fishes in the world. It is one of the interesting facts about Starfish. Sea stars actually belong to the class ‘Asteroidea’. They do not have gills, fins or scales and they are actually related to sea urchins, sand dollars and sea cucumbers all of which are echinoderms. As mentioned above, the starfish is not really a fish. Starfish live underwater but that is where their similarity to a fish ends. Below are some weird, yet fascinating facts about Starfish these unique marine species, Facts About Starfish That Will Surprise You 1. Let us find out more about the top ten facts about starfish. They have an unusual and peculiar anatomy, having no brain or blood but still able to digest food perfectly well. Due to this, the marine scientists are working on changing the name to “sea star” which sounds more appropriate and nowadays the name sea star is pretty common as well. They do not have fins to swim nor do they breathe through gills. Though known as “starfish”, these creatures are not really fishes. There are more than 2000 different species of starfish all over the world and these unique marine animals have diverse shapes, colours and come in a variety of sizes. ![]()
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