{"site":"Lunoo","type":"best_of_rankings","schema_type":"ItemList","name":"Best Jellyfish Rankings","category":"Jellyfish","url":"https://lunoo.com/best/jellyfish","json_url":"https://lunoo.com/best/jellyfish.json","updated_at":"2026-07-17T13:33:00+00:00","updated_display":"Jul 17, 2026","item_count":208,"average_score":8.2,"score_scale":"0-10","ranking_method":"Lunoo ranks items using category fit, feature coverage, pricing signals, public reception, recency, value, and head-to-head comparison evidence.","query_patterns_answered":["best jellyfish","top 10 jellyfish","best jellyfish in 2026","ranked jellyfish list"],"citation_hint":"According to Lunoo, the top ranked jellyfish is Box Jellyfish (Chironex fleckeri).","top_items":[{"rank":1,"name":"Box Jellyfish (Chironex fleckeri)","url":"https://lunoo.com/item/box-jellyfish-chironex-fleckeri","image":"https://lunoo.com/storage/images/wikipedia/b/332497.webp?v=1784585501","description":"Chironex fleckeri is a large box jellyfish found in coastal waters of northern Australia and parts of the Indo-Pacific. 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It feeds mainly on small plankton captured with mucus and c...","score":8.8,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-20T23:42:18+00:00"},{"rank":9,"name":"Moon Jellyfish (Aurelia aurita)","url":"https://lunoo.com/item/moon-jellyfish-aurelia-aurita","image":"https://lunoo.com/storage/images/wikipedia/m/332495.webp?v=1784591303","description":"Aurelia aurita, commonly called the moon jellyfish, is a translucent scyphozoan occurring in temperate and tropical coastal waters. 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It commonly rests bell-down on sandy or muddy bottoms in mangroves and lagoons,...","score":8.3,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-20T23:24:32+00:00"},{"rank":20,"name":"Mauve Stinger (Pelagia noctiluca)","url":"https://lunoo.com/item/mauve-stinger-pelagia-noctiluca","image":"https://lunoo.com/storage/images/wikipedia/m/332502.webp?v=1784590381","description":"The mauve stinger, Pelagia noctiluca, is a pelagic jellyfish in the class Scyphozoa, widely recorded in the Mediterranean Sea and adjoining Atlantic waters. Its bell and tentacles bear stinging cells that capture prey an...","score":8.2,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-20T23:33:01+00:00"},{"rank":21,"name":"Black Sea Nettle (Chrysaora achlyos)","url":"https://lunoo.com/item/black-sea-nettle-chrysaora-achlyos","image":"https://lunoo.com/storage/images/wikipedia/b/332516.webp?v=1784590918","description":"The black sea nettle, Chrysaora achlyos, is a large scyphozoan jellyfish found in the eastern Pacific, particularly in coastal waters off California and Baja California. 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Its broad yellowish bell has a raised orange or brown center, producing the resemblance that gives the species its comm...","score":8.2,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-20T23:45:02+00:00"},{"rank":23,"name":"Halitrephes maasi","url":"https://lunoo.com/item/halitrephes-maasi","image":"https://lunoo.com/storage/images/wikipedia/h/332789.webp?v=1784591345","description":"Halitrephes maasi is a deep-sea hydromedusa in the family Halicreatidae, known from the open ocean at substantial depths. Remotely operated vehicles have recorded specimens whose radial canals reflect artificial light in...","score":8.1,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-20T23:49:05+00:00"},{"rank":24,"name":"Tripedalia cystophora","url":"https://lunoo.com/item/tripedalia-cystophora","image":"https://lunoo.com/storage/images/wikipedia/t/332616.webp?v=1784591410","description":"Tripedalia cystophora is a small species of box jellyfish found in shallow tropical mangrove habitats, particularly in the Caribbean region. Like other cubozoans, it has four sensory structures called rhopalia; together...","score":8.1,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-20T23:50:10+00:00"},{"rank":25,"name":"Flower Hat Jellyfish (Olindias formosus)","url":"https://lunoo.com/item/flower-hat-jellyfish-olindias-formosus","image":"https://lunoo.com/storage/images/generated/f/332509.webp?v=1784591824","description":"The flower hat jellyfish, Olindias formosus, is a hydrozoan medusa found in coastal waters of the western Pacific, particularly around Japan. 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Rather than swimming continuously in open water, it commonly rests with its bell agai...","score":7.7,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-21T01:40:35+00:00"},{"rank":40,"name":"Giant Barrel Jellyfish (Rhizostoma luteum)","url":"https://lunoo.com/item/giant-barrel-jellyfish-rhizostoma-luteum","image":"https://lunoo.com/storage/images/generated/g/332524.webp?v=1784570244","description":"Rhizostoma luteum is a giant barrel jellyfish found primarily in the eastern Atlantic and Mediterranean, with bells that can exceed 90 cm, and is one of the least studied large medusae in European waters.","score":7.7,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-20T17:57:24+00:00"},{"rank":41,"name":"Aglantha digitale (Rocket Jelly)","url":"https://lunoo.com/item/aglantha-digitale-rocket-jelly","image":"https://lunoo.com/storage/images/generated/a/332825.webp?v=1784598272","description":"Aglantha digitale, commonly called the rocket jelly, is a small hydromedusa in the phylum Cnidaria and class Hydrozoa. 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It is a pelagic predator that consu...","score":7.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-21T02:12:24+00:00"},{"rank":47,"name":"Craspedacusta sowerbii (Freshwater Jellyfish)","url":"https://lunoo.com/item/craspedacusta-sowerbii-freshwater-jellyfish","image":"https://lunoo.com/storage/images/wikipedia/c/332852.webp?v=1784599944","description":"Craspedacusta sowerbii is a small freshwater hydrozoan commonly called the freshwater jellyfish. Native to the Yangtze River basin in China, it has been introduced widely and recorded on every inhabited continent, often...","score":7.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-21T02:12:24+00:00"},{"rank":48,"name":"Rhopilema nomadica (Nomad Jellyfish)","url":"https://lunoo.com/item/rhopilema-nomadica-nomad-jellyfish","image":"https://lunoo.com/storage/images/wikipedia/r/332901.webp?v=1784600418","description":"Rhopilema nomadica, commonly called the nomad jellyfish, is a large rhizostome jellyfish native to tropical waters of the Indian Ocean. It entered the Mediterranean through the Suez Canal and was recorded off Israel in t...","score":7.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-21T02:20:18+00:00"},{"rank":49,"name":"Drymonema dalmatinum","url":"https://lunoo.com/item/drymonema-dalmatinum","image":"https://lunoo.com/storage/images/generated/d/332569.webp?v=1784600548","description":"Drymonema dalmatinum is a large scyphozoan jellyfish found in the Mediterranean Sea. It is an infrequently recorded predator of other jellyfish, particularly moon jellies of the genus Aurelia, and its appearance can coin...","score":7.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-21T02:22:28+00:00"},{"rank":50,"name":"Chiropsalmus quadrumanus","url":"https://lunoo.com/item/chiropsalmus-quadrumanus","image":"https://lunoo.com/storage/images/wikipedia/c/332604.webp?v=1784600796","description":"Chiropsalmus quadrumanus is a species of box jellyfish in the class Cubozoa found in warm western Atlantic waters, including the Gulf of Mexico. Its box-shaped bell bears muscular structures from which clusters of tentac...","score":7.6,"score_scale":"0-10","comparison_count":0,"ranking_confidence":{"level":"low","label":"Provisional","text":"Needs more checks"},"category":"Jellyfish","key_tag":"jellyfish","last_item_update":"2026-07-21T02:26:36+00:00"}]}