Red Sea coral seen to feed on jellyfish
(PhysOrg.com) -- Corals depends on the products of photosynthetic algae for most of their food, but they also eat tiny plankton. Now, for the first time, there is evidence of a coral eating jellyfish.
News tagged with polyps
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How polyps of the moon jellyfish repel viral attacks on their microbiome
Bacteriophages, or phages for short, are viruses that infect bacteria and kill them through a lysis process. Phages can kill bacteria on or in a multicellular host organism, such as the polyp of the moon jellyfish. Phages ...
Ecology
Apr 30, 2024
0
37
New study reveals novel approach for combating 'resting' bacteria
Most disease-causing bacteria are known for their speed: In mere minutes, they can double their population, quickly making a person sick. But just as dangerous as this rapid growth can be a bacterium's resting state, which ...
Cell & Microbiology
Apr 11, 2024
0
34
New technique may help scientists stave off coral reef collapse
In a bit of biological magic, some tiny, jellyfish-like creatures learned eons ago how to weave seawater into durable, life-sustaining, rocky coral reefs, which provide billions in economic benefits.
Plants & Animals
Mar 7, 2024
0
43
Some coral species might be more resilient to climate change than previously thought
Some coral species can be resilient to marine heat waves by "remembering" how they lived through previous ones, research by Oregon State University scientists suggests.
Ecology
Dec 18, 2023
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23
Genetic study of immortal jellyfish may help explain its longevity
A team of researchers at Universidad de Oviedo in Spain reports findings that could explain how the jellyfish Turritopsis dohrnii is able to live, at least in theory, forever. In their paper published in Proceedings of the ...
Feeding snacks to coral larvae boosts energy levels for growth and survival
Coral larvae reared with food have more energy to transform into settled polyps and successfully establish themselves as young corals, a Southern Cross University Ph.D. researcher has found.
Plants & Animals
Aug 8, 2022
0
232
Cilia on coral reef polyps found to generate horizontal currents
A large international team of researchers has found that cilia on coral reef polyps generate horizontal currents that are used to carry mucus across the surface of a reef. In their paper published in the journal Current Biology, ...
Coral fights back against crown of thorns starfish
Coral can fight back against attacking juvenile crown of thorns starfish—using stinging cells to injure and even kill, showing that coral are not as passive as people may think.
Plants & Animals
May 5, 2021
0
74
Using engineering methods to track the imperceptible movements of stony corals
Coral reefs around the world are under threat from rising sea temperatures, ocean acidification, disease and overfishing, among other reasons.
Plants & Animals
Apr 21, 2021
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44
Polyp
A polyp in zoology is one of two forms found in the phylum Cnidaria, the other being the medusa. Polyps are approximately cylindrical in shape and elongated at the axis of the body. In solitary polyps, the aboral end is attached to the substrate by means of a disc-like holdfast called the pedal disc, while in colonies of polyps it is connected to other polyps, either directly or indirectly. The oral end contains the mouth, and is surrounded by a circlet of tentacles.
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