When cuttlefish know that shrimp—their favourite food—will be available in the evening, they eat fewer crabs during the day. This capacity to make decisions based on future expectations reveals complex cognitive abilities.
Plants & Animals
Feb 4, 2020
1
5762
Ocean acidification is damaging the shells of young Dungeness crab in the Northwest, an impact that scientists did not expect until much later this century, according to new research.
Plants & Animals
Jan 24, 2020
2
333
Sand crabs, a key species in beach ecosystems, were found to have increased adult mortality and decreased reproductive success when exposed to plastic microfibers, according to a new Portland State University study.
Environment
Jan 17, 2020
0
44
Scientists studying fossils collected 35 years ago have identified them as the oldest-known scorpion species, a prehistoric animal from about 437 million years ago. The researchers found that the animal likely had the capacity ...
Archaeology
Jan 16, 2020
1
770
Giant tortoises amble across Cousin Island as rare birds flit above.
Ecology
Jan 16, 2020
0
6
Two hermit crab species which live on the same beach have adapted to coexist by selecting differently shaped shells as their homes, according to a study in the open access journal BMC Ecology.
Ecology
Jan 15, 2020
0
233
Can hermit crabs teach us about a common global problem—wealth inequality? The answer is yes, according to a first-of-its-kind study published in the January issue of Physica A.
Mathematics
Jan 6, 2020
0
9
In the first study of its kind, an IMAS-led research team estimates that around 570 000 hermit crabs have been killed on the Cocos (Keeling) Islands in the Indian Ocean and Henderson Island in the Pacific after being trapped ...
Environment
Dec 5, 2019
0
387
The eyes of the extinct sea scorpion Jaekelopterus rhenaniae have the same structure as the eyes of modern horseshoe crabs (Limulidae). The compound eyes of the giant predator exhibited lens cylinders and concentrically organized ...
Archaeology
Dec 3, 2019
0
39
Shore crabs carry parasites that pose a major threat to shellfish stocks. In a new study, Swansea University researchers have used several different detection methods, including taking DNA from seawater, to build up the first ...
Ecology
Oct 30, 2019
0
7
