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Ferocious 'penis worms' were the hermit crabs of the ancient seas
Nov 7, 2021
Ferocious 'penis worms' were the hermit crabs of the ancient seas
The Cambrian period (543 million to 490 million years ago) brought the first great explosion of biodiversity to Earth, with the ancestors of practically all modern animals first appearing. One of the most feared among them was the penis worm. Technically known as priapulids — named for Priapus, the well-endowed...
Rare 'cotton candy' lobster was a 1-in-100 million catch
Nov 12, 2021
Rare 'cotton candy' lobster was a 1-in-100 million catch
A Maine lobsterman recently made a one-in-a-hundred-million catch when he pulled up a rare lobster with a bright blue, speckled shell, the color of fairground cotton candy. The lobsterman, Bill Coppersmith, caught the so-called cotton candy lobster on Nov. 5 in Casco Bay, an inlet of the Gulf of Maine....
Octopuses, squids and lobsters could become 'sentient beings' in the UK
Nov 26, 2021
Octopuses, squids and lobsters could become 'sentient beings' in the UK
A number of marine animals — including octopuses, squids, crabs and lobsters — will be recognized as sentient beings as part of a new law proposed by the U.K. government. The Animal Welfare (Sentience) Bill was first proposed in May and is currently under review. The proposed law originally included...
Scientists Put Shrimp on a Treadmill
Jul 13, 2022
Scientists Put Shrimp on a Treadmill
A sluggish, sick human is easy to spot. But it's harder to tell when a shrimp is under the weather. So one scientist put the little crustaceans on a tiny treadmill to examine how diseases impact their performance. Humans fighting an infection typically sleep more and are not at top...
Tiny 'immortal' crab entombed in amber discovered in a first of its kind
Aug 17, 2022
Tiny 'immortal' crab entombed in amber discovered in a first of its kind
For the first time ever, scientists have discovered an immortal crab fossilized in amber. Dating back to the Cretaceous period, this perfectly-preserved crustacean might be among the earliest examples of a crab occupying a freshwater habitat. Researchers named the newfound species Cretaspara athanata — athanata meaning immortal; Cret- for the...
Can you spot the crab in this photo? (Hint: It's under the fuzz.)
Oct 14, 2022
Can you spot the crab in this photo? (Hint: It's under the fuzz.)
A crab species that was recently discovered in Australia fashions itself massive hats and coats made from living sponges, which makes the crustacean look like a wonderfully squeezable stuffed toy. (Don't be fooled, though — there's a tough exoskeleton beneath all the shaggy fluff!) A family first spotted the crab,...
Natural Sunscreen Explains Mantis Shrimp's Amazing UV Vision
Oct 14, 2022
Natural Sunscreen Explains Mantis Shrimp's Amazing UV Vision
The bizarre visual system of the colorful mantis shrimp just got weirder: New research finds these animals use a natural sunscreen compound to see ultraviolet light. Researchers knew that mantis shrimp, marine crustaceans sometimes known to crack aquarium glass with their powerful claws, had a very impressive visual system. The...
What made billions of snow crabs disappear from the Bering Sea?
Oct 20, 2022
What made billions of snow crabs disappear from the Bering Sea?
Snow crabs in the Bering Sea once numbered in the billions. But after a recent and massive population crash the crabs have all but vanished from these waters — and they may not be coming back anytime soon. In 2018, about 3 billion mature snow crabs (Chionoecetes opilio) inhabited the...
What are Sea-Monkeys?
Nov 15, 2022
What are Sea-Monkeys?
Sea-Monkeys is the marketing term for a common type of sea creature: brine shrimp. As a product, Sea-Monkeys were first sold in 1950s. Sea-Monkeys are sold in packets of dust comprised of brine shrimp eggs in suspended animation. The process used to create these creatures is proprietary. Despite their name,...
Why do animals keep evolving into crabs?
May 29, 2023
Why do animals keep evolving into crabs?
A flat, rounded shell. A tail that's folded under the body. This is what a crab looks like, and apparently what peak performance might look like — at least according to evolution. A crab-like body plan has evolved at least five separate times among decapod crustaceans, a group that includes...
Watch cannibal crab gobble up baby crablets in Australia in David Attenborough's 'Our Planet II'
Jun 13, 2023
Watch cannibal crab gobble up baby crablets in Australia in David Attenborough's 'Our Planet II'
Incredible footage captures the moment billions of baby crabs risk their lives as they scurry past cannibal adults and swarm the shores of Australia's Christmas Island . The ultra-rare video features in Our Planet II — David Attenborough's latest Netflix series looking at how animals are adapting to our changing...
Pom pom crab: The crustacean that uses anemones as boxing gloves
Aug 12, 2023
Pom pom crab: The crustacean that uses anemones as boxing gloves
Name: Hawaiian boxer crab or pom pom crab (Lybia edmondsoni) Where it lives: The Hawaiian Islands What it eats: Shrimp, squid Why it's awesome: The pom pom crab grows to only around half an inch (13 millimeters) wide, and its soft exoskeleton means its armor is pretty useless. Yet despite...
Hoff crab: The hairy-chested crustacean that farms bacteria on its hairs
Sep 9, 2023
Hoff crab: The hairy-chested crustacean that farms bacteria on its hairs
Name: Hoff crab (Kiwa tyleri) Where it lives: East Scotia Ridge, Southern Ocean What it eats: Bacteria Why it's awesome: It turns out that the Yeti does exist — or at least it does underwater. Named after the abominable snowman, this family of deep-sea squat lobsters was first discovered in...
'Hauntingly beautiful' image of a golden horseshoe crab wins wildlife photography competition
Oct 12, 2023
'Hauntingly beautiful' image of a golden horseshoe crab wins wildlife photography competition
A stunning image of a golden horseshoe crab shuffling along the seabed with three striped fish overhead has won this year's Wildlife Photographer of the Year competition. Laurent Ballesta, a French underwater photographer and marine biologist, captured the striking scene in the protected waters of Pangatalan Island in the Philippines,...
More than 10 billion snow crabs starved to death off the coast of Alaska. But why?
Oct 19, 2023
More than 10 billion snow crabs starved to death off the coast of Alaska. But why?
More than 10 billion snow crabs recently vanished from the Bering Sea, and now we know why: They fell victim to one of the biggest marine heat wave die-offs on record, new research shows. The deadly heat wave, which struck polar waters between Alaska and Siberia in 2018 and lasted...
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