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Power plants are often built on coasts and draw seawater for industrial cooling water. Jellyfish can clog the water intakes of power plants, which can decrease energy production or cause shutdowns. [9] While total shutdown due to jellyfish clogging is uncommon, revenue losses can be significant.
These blooms have very real impacts on industries. Jellyfish can outcompete fish by utilizing open niches in over-fished fisheries. [115] Catch of jellyfish can strain fishing gear and lead to expenses relating to damaged gear. Power plants have been shut down due to jellyfish blocking the flow of cooling water. [116]
Hydromedusan jellyfish differ from scyphozoan jellyfish because they have a muscular, shelf-like structure called a velum on the ventral surface, attached to the bell margin. Originally from the Yangtze basin in China, C. sowerbii is an introduced species now found throughout the world in bodies of fresh water.
Worried about getting stung by a jellyfish at the beach? Here's how to navigate the worst-case scenario. What to do if you're stung by jellyfish, stingrays or other dangerous sea creatures
Jellyfish are slow swimmers, and most species form part of the plankton. Traditionally jellyfish have been viewed as trophic dead ends, minor players in the marine food web, gelatinous organisms with a body plan largely based on water that offers little nutritional value or interest for other organisms apart from a few specialised predators such as the ocean sunfish and the leatherback sea turtle.
The medusa are pelagic, swimming organisms in the jellyfish form. [2] In the medusa stage, sperm and egg cells release into the water and fertilize to form polyps on benthic substrates. [7] Jellyfish tend to be more abundant in spring seasons, as the temperature and resource concentrations are ideal for an increase in reproduction during this ...
Phacellophora, commonly known as the fried egg jellyfish or egg-yolk jellyfish, is a very large jellyfish in the monotypic family Phacellophoridae containing a single species Phacellophora camtschatica. This genus can be easily identified by the yellow coloration in the center of its body which closely resembles an egg yolk, hence its common name.
The thimble jellyfish (Linuche unguiculata) is a species of cnidarian found in the warm West Atlantic Ocean, including the Caribbean. [2] [3] It is a tiny jellyfish with a straight-sided, flat-topped bell. This jellyfish is the most common cause of seabather's eruption, a reaction caused by the injection of juvenile jellyfish nematocysts into ...