Sea stars can lose an arm and soldier on. What if robots could do the same?
Sea stars can lose an arm and soldier on. What if robots could do the same?
1 month ago
MSNRyan Green
Ever wonder how Sea Stars move around? 😮 Most people know Sea Stars to have 5 arms; however, some species can have up to 40! Each arm has hundreds of tiny tube feet that are used for locomotion, respiration, and catching their prey. Sea Stars don’t have blood or circulatory systems. Instead, they have a water vascular system which allows them to use hydraulic pressure and suction to move their tube feet. Check out these Sea Stars in our Tidepool Touch Tank located in our Rivers to the Sea exhib
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Ever wonder how Sea Stars move around? 😮 Most people know Sea Stars to have 5 arms; however, some species can have up to 40! Each arm has hundreds of tiny tube feet that are used for locomotion, respiration, and catching their prey. Sea Stars don’t have blood or circulatory systems. Instead, they have a water vascular system which allows them to use hydraulic pressure and suction to move their tube feet. Check out these Sea Stars in our Tidepool Touch Tank located in our Rivers to the Sea exhib
585 viewsJun 19, 2024
FacebookNational Mississippi River Museum & Aquarium
Most sea stars have five arms, and all have thousands of feet. They power themselves through a system of hydraulics, drawing water through narrow canals in their arms and pumping it out through said feet. They can move in any direction, either towards food, which they "smell" through sensors on the skin called chemoreceptors, or towards one Another. #seastars #marinebio #marinebiology #biology #starfish #marine #wildlife #pretty #underwater #divingismylife #ocean #sea 🎥@juliette_horn | Nature's
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Most sea stars have five arms, and all have thousands of feet. They power themselves through a system of hydraulics, drawing water through narrow canals in their arms and pumping it out through said feet. They can move in any direction, either towards food, which they "smell" through sensors on the skin called chemoreceptors, or towards one Another. #seastars #marinebio #marinebiology #biology #starfish #marine #wildlife #pretty #underwater #divingismylife #ocean #sea 🎥@juliette_horn | Nature's
78.1K viewsJul 1, 2022
FacebookNature's Rich Palette
The nine-armed sea star has long, slim tapering arms attached to a small circular central disc. It grows to a diameter of about 30 to 40 centimetres (12 to 16 in). Remember not to touch or pick up a live sea-star. If you happen upon a sea star stranded on the beach, gently pick it up and place it back in the water, beyond the breakline; never throw them. Read more @ inaturalist.org/taxa/450136-Luidia-senegalensis. If you like the beach, the almost daily live video streams of Robb Stan’s morning
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The nine-armed sea star has long, slim tapering arms attached to a small circular central disc. It grows to a diameter of about 30 to 40 centimetres (12 to 16 in). Remember not to touch or pick up a live sea-star. If you happen upon a sea star stranded on the beach, gently pick it up and place it back in the water, beyond the breakline; never throw them. Read more @ inaturalist.org/taxa/450136-Luidia-senegalensis. If you like the beach, the almost daily live video streams of Robb Stan’s morning
1.7K views11 months ago
FacebookSouthwest Florida Television
Sea Star
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Sea Star
Jan 31, 2022
nationalgeographic.com
The nine-armed sea star (Luidia senegalensis) is a species of starfish native to the western Atlantic Ocean. It is found at depths of up to 130 feet (40 meters) around the coasts of Florida, the Caribbean Sea, the Gulf of Mexico, and along the coast of South America as far south as southern Brazil. This species had long, slim tapering arms attached to a small circular central disc. It typically has nine arms grows to a maximum size of about 16 inches (40 centimeters) in diameter. It feeds on det
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The nine-armed sea star (Luidia senegalensis) is a species of starfish native to the western Atlantic Ocean. It is found at depths of up to 130 feet (40 meters) around the coasts of Florida, the Caribbean Sea, the Gulf of Mexico, and along the coast of South America as far south as southern Brazil. This species had long, slim tapering arms attached to a small circular central disc. It typically has nine arms grows to a maximum size of about 16 inches (40 centimeters) in diameter. It feeds on det
5.6K viewsJan 27, 2019
FacebookMarine Biology News
Common Sea Star
Common Sea Star
Sep 13, 2021
chesapeakebay.net
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Have you ever seen a deep-sea feather star swim? Crinoids, commonly known as feather stars, are relatives to the sea star. Unlike most sea stars, they feed by holding their arms out into the water current, catching food by branches, called pinnules, on their arms. Then they move the food to their mouth in the center. Here the feather star is using its feathery arms, to swim upwards. Hanging below its arms are appendages known as cirri that help the feather star cling to rocks, sponges, and coral
11.3K viewsFeb 2, 2015
FacebookMBARI
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It's amazing how fast this nine-armed sea star is crawling across the sandy bottom of Wiggins Pass in North Naples, Florida. The nine-armed sea star (Luidia senegalensis) is a fascinating species commonly found in the shallow waters of the western Atlantic Ocean, including the Gulf of Mexico and the Caribbean Sea. Unlike most sea stars, it has nine slender, elongated arms radiating from a small central disc, which aids in its swift movement across sandy or muddy sea floors. This sea star can gro
1K views10 months ago
FacebookSouthwest Florida Television
Some Starfish Have 40 Arms, and Other Facts About the Sea Creatures
May 9, 2025
thoughtco.com
0:35
The sunflower sea star is a remarkably large species. With up to 24 arms and 15,000 tube feet, moving its body over 40 inches per minute, sunstars are definitely in the running for fastest sea star, too! Native to waters from Alaska to California, these stars play a vital role in conserving the kelp forests of the Pacific. 🪸 Check out a few more fun facts about sunflower sea stars.👇 🌻 Mature sunflower sea stars can grow up to 24 arms, but juveniles begin life with just five. 🌻 Relatives of t
756 viewsMar 15, 2024
FacebookMutual of Omaha's Wild Kingdom
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Feather stars are actually crinoids — relatives of sea stars and sea urchins. • They use their feathery arms to catch tiny plankton drifting in the current. • Unlike most starfish, feather stars can swim by rhythmically waving their arms. • Many species hide during the day and climb up high at night to feed. • Some species, like the Tropical Feather Star, come in bright yellow, black, orange, or even multi-colored patterns. • If threatened, they can drop an arm — and regrow it later. • Fossils s
60 views2 months ago
FacebookIan Haggerty RSA
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Feather stars are part of phylum Echinodermata (along with sea urchins, sea stars, brittle stars and sea cucumbers) and the class Crinoidea (which only includes feather stars & sea lilies). These animals have a long history, first appearing in the fossil record about 300 million years before the dinosaurs during the Cambrian period! They use their feathery fringed arms to capture plankton and other little bits of food that drift by them. Like sea stars, feather stars can regrow their limbs if lo
9.8M viewsJun 10, 2021
FacebookOcean Conservation Research - OCR
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Brittle stars are the more flexible cousins of sea stars. While sea stars move slowly across the seafloor on tiny feet, brittle stars whip their long arms around to swim, climb corals, and catch food drifting in the currents. When threatened, they can completely detach their arms to escape predators. Their arms are the "brains" of the operation. The arms are home to bundles of nerves that allow the brittle star to coordinate complex movements, without a central processing center. Brittle stars h
7.2K viewsDec 12, 2024
FacebookOceanX
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Echinoderm species, invertebrate marine life | Britannica
Oct 10, 2023
britannica.com
7 Facts About Sea Stars That Are Out of This World
Jan 3, 2019
oceanconservancy.org
0:24
Long thought to be extinct, feather stars still drift through BC’s waters—swimming like ferns in flight. Sometimes called sea lilies, they may look like plants, but they’re not. These are animals—echinoderms—closely related to sea stars and urchins. Feather stars feed by filtering plankton with their delicate, feathery arms, which can stretch up to 25 centimetres. They aren’t stuck in place either. Using tiny claw-like appendages called cirri, they can crawl along the seafloor—or swim by rhythmi
22.1K views9 months ago
FacebookStrong Coast
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Unusual surge of 9-armed sea stars on Brevard coast
11 months ago
MSNFOX 35 Orlando
0:18
Scientists have discovered an extraordinary sea creature dwelling deep beneath Antarctica’s icy waters — a marine animal with 20 arms, unlike anything seen before. Found nearly 3,840 feet below the surface, this remarkable species thrives in one of the planet’s harshest environments, where freezing temperatures and crushing pressure make survival nearly impossible for most life forms. Its unusual appearance — with its many arms radiating outward like a starburst — has led some to describe it as
15.7K views6 months ago
FacebookUnbelievable World
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Sea Star Regeneration – How It Grows Back Lost Arms
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YouTubeEntertainment & Information
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Sea Star Secrets Revealed! 😱 😳🌊 #seastars #oceanwildlife #oceanwildlife
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Starfish With 20 Arms?! 😱 Deep Sea Secrets
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Sun Star (Pycnopodia helianthoides) – The Fastest Sea Star in the Ocean
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Weird Seastar Behavior
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Common Sunstar: The Ocean’s Many-Armed Hunter ⭐🌊 #fishtok #fishcore #fishfacts
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This Sea Creature Can Regrow Itself #starfish #trending
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Fast Ocean Facts — Starfish Eyes
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