Latest Jellyfish Stories

The Warty Comb Jelly (Mnemiopsis leidyi), also known as the Sea Walnut, is a species of tentaculate ctenophore originally native to the western Atlantic coastal waters. Three species of Mnemiopsis have been named, but are now generally categorized as different ecological forms of the species leidyi. This species tolerates a wide range of salinity (2 to 38 psu), temperature (36 to 90 degrees F), and water quality. This creature was introduced in the Black Sea in the 1980s, where only one...

Bathykorus bouilloni is a species of jellyfish found in the Arctic Ocean at depths of 2,600 feet below sea level and extending to roughly 8,200 feet below sea level. Its range extends around Greenland and the north of Canada. This jellyfish is a recently discovered specimen that was first described in 2010. It is the only species within its genus, Bathykorus. Its genus name is derived from the Greek words bathy, meaning “deep” and korus, meaning “helmet,” which refers to the depth...

The Purple-striped Jelly (Chrysaora colorata), also known as the Mauve Stinger, is a species of jellyfish found primarily off the coast of California in Monterey Bay. This species has been studied closely by scientists hoping to gain a better understanding about the creature’s eating habits. The bell (body) of the jellyfish is up to 27.6 inches in diameter, with a radial pattern of stripes. The tentacles vary with age of each individual, consisting mainly of eight long dark arms, and...

The Compass Jellyfish, (Chrysaora hysoscella), is a fairly common species of jellyfish that is found in the coastal waters around the United Kingdom and Turkey. It has a diameter of up to 12 inches. It has 24 tentacles arranged in eight groups of three. It is typically colored yellowish white, with some brown.

The Japanese Sea Nettle, (Chrysaora melanaster), also known as the Northern Sea Nettle or Brown Jellyfish, is a species of jellyfish native to the waters of the eastern Pacific Ocean. It is often called the Pacific Sea Nettle, however, this name is also used for Chrysaora fuscescens. The name “Japanese Sea Nettle” is also used for Chrysaora pacifica. This species’ medusa (umbrella or dome) can reach up to 24 inches in length with tentacles growing up to 10 feet long. C. melanaster...