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The Jellyfish Iceberg
This iceberg chart is mainly focused on jellyfish, though it may occasionally include entries about Hydra, siphonophores, or other similar creatures.
Species
Fact
Cryptid/Myth
Anatomy / Adaptation
Other
Extinct
Ex
Jellyfish
J
Siphonophore
S
Ctenophore
Ct
Other Cnidarian
Oc
Tier 1
Cnidaria
Moon Jelly (Aurelia Aurita)
J
Brainless
Box Jellyfish
J
Life cycle
Lion's Mane Jellyfish
J
Comb jellyfish
Ct
Bioluminescence
Nematocysts
Jellyfish Blooms
Manubrium
Oxygen Diffusion
Smallest jelly ever
Reproduction
Origins of Some Terms
Siphonophores Lack a Central Brain
Mesoglea
Jellyfish are Plankton
Tier 2
Dead jellyfish can still sting
Immortal Jellyfish
J
irukanji syndrome
The most dangerous animal in the world
Jellyfish have been around for 550 million years.
Jellyfish lake
Oh Boy Jellyfish!
J
Ocelli
Catostylidae
J
Essexella
Ex
Oc
bluefire jellyfish
J
Chrysaora achlyos
J
47m Siphonophore
S
Beroe ovata
Ct
Polypodium hydriforme
Oc
Tier 3
Cannonball Jellyfish
J
Jellyfish-fish symbiosis
Cloning
Upside Down Jellies
J
Common Kingslayer
J
Porpita porpita
S
Chirodectes
J
Invasive Jellyfish clones
Benthic Jellyfish
Stauromedusae
J
Clytia hemisphaerica
Oc
Rhopilema esculentum
J
Planula
Chrysaora hysoscella
J
Jellyfish Act of 1966
Haootia Quadriformis
Ex
Oc
Tier 4
Pink Meanie
J
Myxozoans
Oc
Auroralumina
Ex
Jellyfish clogging power plants
Tentacle regeneration
Jellyfish learn from their mistakes
Petrozavodsk Phenomenon
Phyllorhiza punctata
J
Cyanea annaskala
J
Bathyphyla Conifera
S
Angler Siphonophore
S
Emperor Hirohito
The Boat That Destroyed an Ocean (almost)
Venus Girdle
Ct
Tier 5
Red Cross Jellyfish
J
Poralia
J
Lampocteis
Ct
Bathocyroe fosteri
Ct
Crambione Cooki
J
Erumia
Biohybrid Jellyfish
Crabs ride jellyfish
Mucus Bombs
Velella velella
S
Atolla jellyfish
J
Mawia benovici
J
Pelagia noctiluca
J
Deepstaria enigmatica
J
Tiburnia granrojo
J
Tier 6
24 Eyed Jellyfish
J
Jellyfish in Outer Space
Age in Reverse
Atmospheric Jellyfish
Kuranda Jellyfish
Hitchhikers
The Appalachian Mountain Jellyfish
J
Mass Velella beaching
Haliclystus sanjuanensis
J
zooxanthellae symbiosis
Giant Phantom Jelly
J
Fish using jellyfish for protection
Sea Slug Techniques
Drymonema gorgo
J
Tier 7
Gelatinous Cube of London Bridge
Fusion
Bermuda Jellyfish
five-lined constellation fish
Jellyfish sunk a 10 ton boat
Flying Jellyfish Cryptid
hydranths
Medusafish
Paper nautilus egg protection
Undescribed species of Narcomedusae
J
Cyro
Tier 8
Shark-eating Jellyfish
Missing Diver
1980 Human-eating Jellyfish
Jellyfish Could Cure Memory Loss
Lidenskab
Sevenstxrsquid
Animals & Nature
107
341
21 Jan 2026
22 Jan 2026
#jellyfish
#animal
#siphonophore
#cool
#UFO
#Immortality
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