Snake uses tentacles to 'see' in the dark
(PhysOrg.com) -- A new study of a snake with tentacles on its snout has found it has a unique system for sensing prey: its tentacles allow it to "see" in murky water.
News tagged with tentacles
Female octopuses observed throwing stuff at males harassing them
A team of researchers from Australia, Canada and the U.S. has found that female octopuses sometimes throw silt at males who are attempting to mate with them. The group has written a paper describing their observations and ...
Man o' war are on South Florida beaches. What you need to know about the health risks
Natives probably know the primary thing to do when they see those pretty blue and purple bubbles that look like partially deflated balloons on the beach.
Plants & Animals
Apr 4, 2022
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Seeing without eyes: Hydra stinging cells respond to light
In the absence of eyes, the fresh water polyp, Hydra magnipapillata, nevertheless reacts to light. They are diurnal, hunting during the day, and are known to move, looping end over end, or contract, in response to light. ...
Plants & Animals
Mar 4, 2012
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Jellyfish replacing fish in over-exploited areas
(PhysOrg.com) -- Over-fished commercial stocks of plankton-eating fish have been replaced in several locations by jellyfish species. This appears to be something of a paradox because fish move quickly and can see their prey, ...
Half-a-billion-year-old fossil reveals the origins of comb jellies
One of the ocean's little known carnivores has been allocated a new place in the evolutionary tree of life after scientists discovered its unmistakable resemblance with other sea-floor dwelling creatures.
Archaeology
Mar 21, 2019
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Harvard researchers develop new kind of soft robotic gripper
(Phys.org)—Because traditional robot hands or grippers were first created to assist in production type enterprises, e.g. to help build cars, etc., they have not been very good at working with soft materials. For that reason, ...
How a box jellyfish catches fish
The first feeding study of tropical Australia's Irukandji box jellyfish has found that they actively fish. They attract larval fish by twitching their extended tentacles, highlighting their nematocyst clusters (stinging structures) ...
Plants & Animals
Jun 3, 2015
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How jellyfish regenerate functional tentacles in days
At about the size of a pinkie nail, the jellyfish species Cladonema can regenerate an amputated tentacle in two to three days—but how? Regenerating functional tissue across species, including salamanders and insects, relies ...
Plants & Animals
Dec 22, 2023
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ROV video offers clues on how rare squid catches prey
(Phys.org) —Video captured by a camera aboard a Remotely Operated Vehicle (ROV) off the coast of southern California is offering scientists clues to help explain how the rare squid Grimalditeuthis bonplandi, manages to ...
