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Chrysaora colorata (Russell), commonly known as the purple-striped jelly or purple-striped sea nettle, is a species of jellyfish that exists primarily off the coast of California from Bodega Bay to San Diego. [1] The bell (body) of the jellyfish is up to 70 cm (2.3 ft) in diameter, typically with a radial pattern of stripes.
California's coastal regions, the Sierra Nevada foothills, and much of the Central Valley have a Mediterranean climate, with warmer, drier weather in summer and cooler, wetter weather in winter. The influence of the ocean generally moderates temperature extremes, creating warmer winters and substantially cooler summers in coastal areas.
Halitrephes maasi, commonly known as the firework jellyfish, is a species of deep-sea hydrozoan of the family Halicreatidae. Sightings have been reported at depths of 4,000 to 5,000 feet (1,200 to 1,500 m) near the Revillagigedo Archipelago off the Baja California Peninsula .
“This is my first time hearing about them in Stumpy Meadows Reservoir during my 9 years on the Eldorado National Forest,” said a federal aquatic biologist.
Craspedacusta sowerbii or peach blossom jellyfish [1] is a species of freshwater hydrozoan jellyfish, or hydromedusa cnidarian. 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.
Once stranded on the beach, cannonball jellies can’t survive long out of water and eventually become a food source for shorebirds, crabs, sea turtles and other critters that live along the coast.
Jellyfish can tolerate hypoxic conditions where more sensitive species cannot. [1] [3] Cultural eutrophication and the increasing hypoxia in the Gulf of Mexico, [13] for example, appears to have also increased jellyfish populations. [3] [16] Jellyfish conglomeration on an artificial surface, Monterey Aquarium.
Worried about getting stung by a jellyfish at the beach? Here's how to navigate the worst-case scenario.