Zebra Anemone (Nemanthus annamensis)
Each stinging organelle (nematocyst) of the sea anemone consists of  a small vesicle filled with toxins, an inner filament, and an external sensory hair.
When the hair is touched it mechanically triggers the cell explosion, a harpoon-like structure which attaches to organisms that trigger it, and injects a dose of poison in the flesh of the aggressor or prey.
Nick Hobgood on Flickr, Info

Zebra Anemone (Nemanthus annamensis)

Each stinging organelle (nematocyst) of the sea anemone consists of  a small vesicle filled with toxins, an inner filament, and an external sensory hair.

When the hair is touched it mechanically triggers the cell explosion, a harpoon-like structure which attaches to organisms that trigger it, and injects a dose of poison in the flesh of the aggressor or prey.

Nick Hobgood on Flickr, Info

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