Chrysaora fuscescens

Chrysaora fuscescens, the Pacific sea nettle, is a large scyphozoan jellyfish found in the northeastern Pacific, especially along western North America.

Scyphozoa: A class of marine cnidarians that includes most jellyfish commonly called true jellyfish. Pacific sea nettles belong to this class of medusae.
Strobilation: A form of asexual reproduction in which a scyphozoan polyp segments to release young medusae. This process produces the juvenile medusae that grow into sea nettles.
Monterey Bay Aquarium: A public aquarium in Monterey, California, known for exhibits on marine life of the Pacific coast. Its jellyfish exhibits have featured Pacific sea nettles.
Northeastern Pacific: The Pacific Ocean region extending from the west coast of North America toward the open ocean. This is the marine region where the species is native.
Cnidaria: An animal phylum characterized by stinging cells and radial body organization. Its stinging cells and simple body plan are cnidarian traits.
Ephyra: A small, often star-shaped juvenile medusa released by a scyphozoan polyp. An ephyra is an early free-swimming stage in its development.
Jellyfish sting: A skin injury caused when jellyfish stinging cells discharge venomous capsules. Contact with its tentacles can cause a painful sting.
California Current: A cold ocean current flowing southward along western North America. Its coastal waters overlap much of the sea nettle's range.
Medusa (biology): The free-swimming, bell-shaped body form of many cnidarians. The conspicuous swimming stage of this species is a medusa.
Jellyfish locomotion: Jellyfish movement produced chiefly by rhythmic contractions of the bell. Bell contractions propel this species through the water.

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