How many hearts does an octopus have? | New Scientist
Octopuses have three hearts, which is partly a consequence of having blue blood. Their two peripheral hearts pump blood through the gills, where it picks up oxygen. A central heart then circulates ...
My Octopus Teacher review: The strange lives of cephalopods up …
2020年9月8日 · My Octopus Teacher is available on Netflix from 7 September 2020. In many ways, the octopus is a tough proposition: a soft-bodied mollusc that carries the bulk of its brain in its arms, that can ...
Octopuses and fish hunt as a team to catch more prey
23 September 2024. A day octopus hunting with a blue goatfish. Eduardo Sampaio and Simon Gingins. Octopuses are even more sophisticated than we thought. Despite generally being solitary animals ...
Are animals conscious? We’re finally realising that many species are
2024年7月18日 · We’re finally realising that many species are. Science is at last confirming what many people have long suspected - that mammals, birds and perhaps some invertebrates have elements of ...
Four new octopus species discovered by deep-sea submersible
2024年1月16日 · Four new species of deep-sea octopus have been discovered on underwater mountains around 3 kilometres down in the Pacific off Costa Rica, according to Schmidt Ocean Institute. Read more. A radical ...
Female octopuses throw things at males that are harassing them
2021年8月26日 · In 2016, for instance, one female octopus threw silt 10 times at a male from a nearby den who was attempting to mate with her. She hit him on five occasions. “That sequence was one of the ones ...
Art of the ocean: How artists have depicted the marine world
2022年9月14日 · From Jason deCaires Taylor's underwater statues, walking to oblivion, to Carl Chun's detailed illustration of an octopus, a new book explores how our oceans have inspired art through the centuries
Octopuses were thought to be solitary until a social species turned …
2019年12月18日 · But the octopus had always been considered a solitary beast. The discovery of an apparently social species was so implausible that few believed it and Rodaniche’s story passed into legend. He ...
Do it again: Round-up of regenerating animals | New Scientist
2011年7月13日 · Being a male octopus isn’t so great after sex. In male cephalopods, an arm called the hectocotylus is adapted to deliver sperm to the female. Roy Caldwell of the University of California, ...
Octopuses may have nightmares about predators attacking them
18 May 2023. Octopuses may have nightmares. That is one possible explanation for some extraordinary behaviour caught by cameras monitoring an octopus in a laboratory aquarium, says Marcelo ...