Chrysaora fuscescens

Chrysaora fuscescens, the Pacific sea nettle or West Coast sea nettle, is a regionally distributed jellyfish that lives in the northeastern Pacific Ocean, in temperate waters off of British Columbia and the West Coast of the United States, ranging south to Point Conception. The Pacific sea nettle earned its common name in-reference to its, 'nettle'-like sting; much like the stinging nettle plant (Urtica dioica), this sea nettle's sting is often irritating or itchy (possibly mildly painful) to humans, rarely dangerous. The Pacific sea nettle has a distinctive, golden-brown bell with a reddish tint. The bell can grow to be ~50 cm in diameter in the wild. The long and spiraling, whitish oral arms (and 24, maroon tentacles) may trail behind the nettle as far as 15 feet (4.6 m). Since about the 1990s, C. fuscescens has proven to be a very popular cnidarian to feature at aquariums (and even some zoos with aquatic exhibits), mainly due to the public's fascination with their bright colors and extremely long tentacles. Additionally, the species is known for being quite low-maintenance in captivity, when provided with the appropriate water parameters and conditions. When these medusae are actively thriving under ideal conditions, they can even be easily bred via the culturing of polyps.

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