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Christmas tree siphonophore glowing blue-white against deep black ocean water

Christmas tree siphonophore

Ramisyllis multicaudata

Not on exhibit
Animal type
Invertebrates
Ecosystem
Deep sea
Relatives
Other siphonophores; Order: Siphonophorae
Diet
Small crustaceans and fish, mantis shrimp larvae, and bristle worms (polychaete)
Range
From the surface to 6,600 ft. (2,000 m) in the North Pacific and Atlantic Oceans
Size
Up to 10 feet (3 m) in length

Meet the Christmas tree siphonophore

Beware of jellies bearing gifts. Those branching tentacles might look like a holiday tree, but they’re loaded with stinging cells that stun prey. This animal drifts and twirls through the midwater using a system of floats and swimming bells.

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