Semaeostomeae Collection

Compass jellyfish (Chrysaora hysoscella) with sunburst close to the surface, Cornwall, UK, .English Channel

Moon jelly (Aurelia aurita) drifts over a coral reef. East End, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea

Jellyfish (Pelagia noctiluca) amongst plankton, Shetland Isles, Scotland

Lions mane jellyfish (Cyanea capillata) swept in current over a bed of eel grass, along the Eastern shore of Nova Scotia, Canada, July

Lions mane jellyfish (Cyanea capillata) with feeding tentacles spread swimming in the sun in shallow water. Gulen, Norway. North East Atlantic Ocean

Luminescent jellyfish / Mauve stinger (Pelagia noctiluca) in open water, Gozo Island, Malta. Mediterranean Sea

Compass jellyfish (Chrysaora hysoscella) feeding on plankton near surface, Falmouth, English Channel, Cornwall, UK. July

Jellyfish, probably a purple stinger (Pelagia noctiluca) at night in the Sargasso Sea, Atlantic Ocean

Purple-striped jellyfish (Chrysaora colorata) captive, USA, January

Blue jellyfish (Cyanea lamarckii), feeding on small plankton, Lundy Island Marine Conservation Zone, Devon, England, UK, May

RF- Small jellyfish (Pelagia noctiluca) swimming beneath surface. Marine Protected Area of Portofino (Area Marina Protetta, Portofino), Liguria, Italy. Mediterranean Sea

Pacific Sea nettle jellyfish (Chrysaora fuscescens), captive, Vancouver, Canada

Blue lion's mane jellyfish (Cyanea lamarckii) drifting through a seaweed forest with Red pom-pom seaweed (Ceramium sp.) and Spaghetti seaweed (Himanthalia elongata), Island of Coll

Lion's mane jellyfish (Cyanea capillata) with commensal Crested sculpin (Blepsias bilobus) sheltering amongst stinging tentacles, Prince William Sound, Alaska, USA, Pacific Ocean

Crested sculpin (Blepsias bilobus) hiding in smack of Moon jellyfish (Aurelia aurita), Prince William Sound, Alaska, USA, Pacific Ocean

Smack of Moon jellyfish (Aurelia aurita), Prince William Sound, Alaska, USA, Pacific Ocean

Lion's mane jellyfish (Cyanea capillata) preying upon smack of Moon jellyfish (Aurelia aurita), Prince William Sound, Alaska, USA, Pacific Ocean

Crested sculpin (Blepsias bilobus) hiding in smack of Moon jellyfish (Aurelia aurita), Prince William Sound, Alaska, USA, Pacific Ocean

Compass jellyfish (Chrysaora hysoscella) swimming up towards surface with sunbeams, Falmouth, Cornwall, August

Compass jellyfish (Chrysaora hysoscella) swimming near surface, Cornwall, UK, English Channel

Fried egg jellyfish (Phacellophora camtschatica) viewed from below; Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September

Split level of a Lions mane Jellyfish (Cyanea capillata) and Feather-boa kelp (Egregia menziesii), Seven-tree Island, Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September

Moon jellyfish (Aurelia labiata) viewed from below, Browning Pass, Queen Charlotte Strait, British Columbia, Canada. February

Moon jellyfish (Aurelia labiata) viewed from below; Agamemnon Channel, Sunshine Coast, British Columbia, Canada. March

Lions Mane Jellyfish (Cyanea capillata) with Blue rockfish (Sebastes mystinus) stealing food from the jellyfishs tentacles. Hunt Rock, Queen Charlotte Strait, British Columbia, Canada. September

Moon jelly (Aurelia labiata) and Cross jellies (Mitrocoma cellularia) split level view in Browning Pass, Queen Charlotte Strait, British Columbia. October

Lions mane jellyfish (Cyanea capillata) drifts in the current off Nova Scotia, Canada. July

Mauve stinger (Pelagia noctiluca) at the entrance of a cave, Sula Sgeir, Outer Hebrides / Western Isles, Scotland, July

Multitudes of Moon jellyfish (Aurelia labiata), Alaska, USA, Gulf of Alaska. Pacific ocean

Multitudes of Moon jellyfish (Aurelia labiata), Alaska, USA, Gulf of Alaska. Pacific ocean

Jellyfish (Pelagia Noctiluca) With Fish Prey Photographed During A Blackwater Scuba Dive Several Miles Offshore Of A Hawaiian Island At Night; Hawaii, United States Of America

Chrysaora isosceles, jellyfish model
A glass model of a jellyfish, created by Leopold and Rudolf Blaschka in the late nineteenth century and held at the Natural History Museum, London

Aurelia aurita, jellyfish model
A glass model of a jellyfish, created by Leopold and Rudolf Blaschka in the late nineteenth century and held at the Natural History Museum, London

Aurelia aurita, jellyfish
A glass model of a jellyfish, created by Leopold and Rudolf Blaschka in the late nineteenth century and held at the Natural History Museum, London

Moon jelly -Aurelia aurita-, here a mutation with seven gonads instead of four, Black Sea, Crimea, Ukraine

Moon Jellyfish, Saucer Jelly -Aurelia aurita-, genetic mutation with seven gonads instead of four, Black Sea, Crimea, Ukraine

Sea Nettles (Chrysaora fuscescens) on display at the Monterey Bay Aquarium - Monterey, California

Sea Nettle (Chrysaora sp. ) on display at the Monterey Bay Aquarium
Sea Nettle (Chrysaora sp.) on display at the Monterey Bay Aquarium

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Semaostomeae: A Mesmerizing Journey through the Jellyfish Kingdom Dive into the enchanting world of Semaostomeae, a diverse group of jellyfish species that captivate with their stunning beauty and graceful movements. From the sun-kissed waters of Cornwall, UK to the vibrant coral reefs of Grand Cayman, Cayman Islands, these gelatinous creatures thrive in various aquatic habitats. Witness the ethereal dance of a Compass jellyfish as it hovers near the water's surface, its translucent body adorned with a mesmerizing sunburst pattern. In East End, Grand Cayman, be spellbound by the sight of a Moon jelly gracefully drifting over a colorful coral reef, creating an otherworldly spectacle. Venture further north to Scotland's Shetland Isles and encounter Pelagia noctiluca jellyfish amidst swirling plankton. Their delicate forms blend seamlessly with this microscopic ecosystem, showcasing nature's intricate balance. In another corner of Scotland lies an underwater wonderland where Lions mane jellyfish glide effortlessly above eel grass beds. These majestic creatures are swept along by gentle currents while their long tentacles sway elegantly beneath them. Observe Cyanea capillata in action as it spreads its feeding tentacles wide while swimming gracefully through open waters. Its captivating presence is matched only by its voracious appetite for prey. Gozo Island in Malta reveals yet another marvel - Luminescent jellyfish or Mauve stingers illuminating the dark depths with their bioluminescence. Like celestial bodies suspended in space, they create an awe-inspiring spectacle that leaves onlookers breathless. Crossing continents to America brings us face-to-face with Chrysaora colorata captive specimens displaying striking purple stripes. These captive jellies offer researchers invaluable insights into their mysterious lives and behaviors. Lundy Island Marine Conservation Zone unveils another jewel - Blue jellyfish, Cyanea lamarckii.