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Separate polarisation and brightness channels give crabs the edge over predators

August 23, 2019

Fiddler crabs see the polarisation of light and this gives them the edge when it comes to spotting…
The Sounds of Science: Acoustic tags reveal Dungeness crab range – and some interesting visitors

July 10, 2019

Dungeness crab is Oregon’s leading commercial seafood product, bringing in an estimated $75 million in 2018, yet little…
Meet Callichimaera perplexa, the platypus of crabs

April 30, 2019

The crab family just got a bunch of new cousins, including a 95-million-year-old species that will force scientists…
Study confirms horseshoe crabs are really relatives of spiders, scorpions

March 15, 2019

Blue-blooded and armored with 10 spindly legs, horseshoe crabs have perhaps always seemed a bit out of place.…
Flipping crab led to discovery that a commercially harvested species feeds at methane seeps

February 22, 2019

Researchers have documented a group of tanner crabs vigorously feeding at a methane seep on the seafloor off…
Material Formed from Crab Shells and Trees Could Replace Flexible Plastic Packaging

August 1, 2018

From liquid laundry detergent packaged in cardboard to compostable plastic cups, consumer products these days are increasingly touting…
‘Hide or Get Eaten,’ Urine Chemicals Tell Mud Crabs

January 10, 2018

Psssst, mud crabs, time to hide because blue crabs are coming to eat you! That’s the warning the…
Invasive ‘supervillain’ crab can eat through its gills

December 8, 2017

Invasive green shore crabs can “eat” by absorbing nutrients across its gills—the first demonstration of this ability in…
Invasive green crab found at Dungeness Spit

April 28, 2017

A new population of invasive European green crab has been found at Dungeness Spit, near Sequim, Washington, rekindling…
Ocean acidification to hit West Coast Dungeness crab fishery, new assessment shows

January 13, 2017

The acidification of the ocean expected as seawater absorbs increasing amounts of carbon dioxide from the atmosphere will…
Research Reveals Water Temperature Influences Horseshoe Crab Spawning

May 9, 2016

New research from the University of New Hampshire finds that Atlantic horseshoe crabs in New Hampshire’s Great Bay…
Warming Antarctic waters may allow king crabs to “restructure” ecosystems

September 30, 2015

Rapid warming of the ocean west of the Antarctic Peninsula–the part of the continent that extends north toward…
Purifying contaminated water with crab shells

August 27, 2015

Scientists in Malaysia have found that crab shells are effective in removing copper and cadmium from contaminated waters.…
Non-native marine species’ spread, impact explained by time since introduction

August 12, 2015

The time since the introduction of a non-native marine species best explains its global range, according to new…
Catching crabs can benefit the Isefjord’s fish stocks

July 9, 2015

The catch of fish for human consumption in the Isefjord can be significantly boosted if a considerable part…
Humans Threaten Asian Horseshoe Crabs

June 22, 2015

Human activity is affecting the population of Asian horseshoe crabs in the state of Sabah in Malaysia, possibly…
In hot and cold water: The private lives of ‘Hoff’ crabs revealed

March 3, 2015

Researchers at the University of Southampton have shed light on the private life of a new species of…
The crab-castrating parasite that zombifies its prey

June 2, 2014

Body-snatching crabs is not just for humans. Chesapeake Bay, CC BY-NC Meet Sacculina carcini – a barnacle that makes a living as…
Guilty: Crabs are killing N.E. saltmarshes

May 6, 2014

Two newly published studies by a team of Brown University researchers provide ample new evidence that the reason…
Hormone in crab eyes makes it possible for females to mate and care for their young

February 4, 2014

Scientists at the Institute of Marine and Environmental Technology in Maryland recently discovered a new hormone in those…
Which came first, hermits or kings?

August 28, 2013

Heather Bracken-Grissom, marine sciences professor in the FIU Department of Biological Sciences, has helped answer one of the…
Origins of ‘The Hoff’ crab revealed

June 19, 2013

The history of a new type of crab, nicknamed ‘The Hoff’ because of its hairy chest, which lives…
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