Box Jellyfish
Box jellyfish have 24 eyes, including some with lenses, and actively swim and steer rather than simply drifting.
Cnidarian
Lion’s Mane Jellyfish
The largest lion’s mane jellyfish ever recorded had a bell over 2 metres wide and tentacles about 37 metres long, longer than a blue whale.
Moon Jellyfish
Moon jellyfish have no brain, heart or bones, and their bodies are about 95 percent water.
Portuguese Man o’ War
The Portuguese man o’ war is not a single animal but a colony of specialised organisms working together as one.
Reef-building Coral
Coral reefs cover less than 1 percent of the ocean floor, yet they support about a quarter of all known marine species.
Sea Anemone
Clownfish live safely among the stinging tentacles of certain sea anemones, protected by a special coat of mucus.