Cnidarians

Silo of jellyfish, corals and anemones, from reefs to open water.

Anémone de mer géante hébergeant un poisson-clown rose
Low danger

Giant carpet anemone

Heteractis magnifica

Giant carpet anemone

Host to many clownfish that are immune to its own sting, it can live for decades in the same spot without ever moving.

🌊 0–20 m

  • ⚡ Can live for decades in the same spot without ever moving
  • ⚡ Maintains a symbiosis with the clownfish, which in turn protects it from certain predators
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Méduse-boîte et ses tentacules
High danger

Box jellyfish

Chironex fleckeri

Box jellyfish

Considered one of the most venomous creatures in the sea, its tentacles carry a venom able to trigger cardiac arrest in humans within minutes.

🌊 0–20 m

  • ⚡ Has up to 24 eyes, some able to form a true image
  • ⚡ One of the fastest, most potent venoms in the animal kingdom
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