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Hourglass jellyfish with clear dome and golden core trailing tentacles in dark water

Hourglass jelly

Catablema vesicarium

On view
Into the Deep
Animal type
Invertebrates
Ecosystem
Deep sea
Relatives
Other jellies; Order: Anthoathecata
Diet
Siphonophores
Range
From the surface to 660 ft. (200 m) in the North Pacific and Atlantic Oceans
Size
1 inch (2.5 cm) wide and 1.2 inches (3 cm) tall

Meet the hourglass jelly

See that blob inside this jelly’s glassy bell? That orange gut conceals its last meal. While it might look showy, that color disappears in dark water.

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