Crustaceans
Latest about Crustaceans
![A colorful green mantis shrimp.](https://cdn.mos.cms.futurecdn.net/U3XLMBbRUH8sXDgiGBjr3E-320-80.jpg)
Natural Sunscreen Explains Mantis Shrimp's Amazing UV Vision
By Stephanie Pappas last updated
The colorful and aggressive mantis shrimp evolved a new way to use a naturally occurring, biological sunscreen: The animals use this compound to filter light from their eyes.
![the newly-named sponge crab Lamarckdromia beagle photographed from the front; the crab is coated in fluffy orange sponge](https://cdn.mos.cms.futurecdn.net/NejQw7LVYemSV9p8847VL7-320-80.jpg)
Can you spot the crab in this photo? (Hint: It's under the fuzz.)
By Nicoletta Lanese last updated
The species is named after the HMS Beagle.
![Cretaspara athanatas as rendered by an artist](https://cdn.mos.cms.futurecdn.net/QZhVfEJrgNFTfU9ApXbmXg-320-80.jpg)
Tiny 'immortal' crab entombed in amber discovered in a first of its kind
By Joanna Thompson last updated
A fossil crab was discovered perfectly preserved in Burmese amber.
![null](https://cdn.mos.cms.futurecdn.net/cXDhxHKFX3DmePH9SejzSE-320-80.gif)
Scientists Put Shrimp on a Treadmill
By Sara Goudarzi last updated
A novel treadmill and a tiny backpack made of duct tape reveal how sickness affects the energy levels of these crustaceans.
![Octopuses are one of several marine invertebrates to be recognized as sentient by changes to a new animal welfare bill.](https://cdn.mos.cms.futurecdn.net/mUHx46cP8AVG8zUd5hcdeM-320-80.jpg)
Octopuses, squids and lobsters could become 'sentient beings' in the UK
By Harry Baker published
The U.K. government has included cephalopods and some crustaceans in a new bill that recognizes sentient animals.
![This rare cotton-candy-colored lobster was just caught in Maine.](https://cdn.mos.cms.futurecdn.net/ftJBforPFwew8YCdpJ6SCi-320-80.jpg)
Rare 'cotton candy' lobster was a 1-in-100 million catch
By Nicoletta Lanese published
The stunning lobster, named Haddie, is bright blue with dark purple specks.
![Illustration of a Cambrian penis worm inhabiting a hyolith shell.](https://cdn.mos.cms.futurecdn.net/AbLAHMvQh9cBYxQvJ2SyZa-320-80.jpeg)
Ferocious 'penis worms' were the hermit crabs of the ancient seas
By Brandon Specktor published
Priapulids, sometimes called penis worms, were fearsome predators of the Cambrian Period. They may have worn shells for protection, new fossil evidence suggests.
![One of the triops — a small, three-eyed crustacean — from the ball court pond at Wupatki National Monument in Arizona.](https://cdn.mos.cms.futurecdn.net/zHmUvUre72ECbRSboWsGK3-320-80.jpg)
Hundreds of three-eyed 'dinosaur shrimp' emerge after Arizona monsoon
By Laura Geggel published
Following a monsoon, hundreds of 'dinosaur shrimp' emerged for a few weeks in the Arizona desert.
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