Facts about Atolla Jellyfish

1. 07

   Lacking a brain or central nervous system, Atolla jellyfish rely entirely on their diffuse nerve net to sense vibrations and chemical signals from prey in absolute darkness.

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2. 06

   Atolla jellyfish have a stomach with four radial canals that branch into numerous gastrovascular pouches, distributing nutrients throughout their gelatinous bell structure.

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3. 05

   Mouth opening diameters in Atolla jellyfish reach up to 4 centimeters, allowing these deep-sea predators to engulf copepods and small fish whole.

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4. 04

   Atolla jellyfish possess a nerve net that triggers synchronized contractions across their bell at speeds reaching 1 meter per second when escaping predators.

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5. 03

   Atolla jellyfish inhabit depths between 200 and 2,600 meters, making them among the deepest-living cnidarians in ocean trenches worldwide.

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6. 02

   Atolla jellyfish possess a specialized tentacle arrangement with 80 marginal tentacles divided into eight groups, allowing precise prey capture in deep ocean waters.

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7. 01

   The alarm jellyfish's bioluminescent display activates when threatened, producing up to 40 light-producing photophores around its bell margin.

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