Japanese Sea Nettle

Scientific Name: Chrysaora pacifica

Category: other

Japanese Sea Nettle

Brief Description

A species of jellyfish characterized by its golden-brown, striped bell and long, stinging tentacles.

Characteristics

It features a saucer-shaped bell with 16 distinct dark reddish-brown stripes radiating from the center. It has long, trailing tentacles and frilly oral arms that can extend several feet.

Habitat

Temperate, subarctic waters and coastal regions.

When to Find It

Often observed in large blooms during the summer and autumn months as water temperatures rise.

Conservation Status

Not Evaluated

Ecological Role

They are both predators of zooplankton and small fish, and prey for sea turtles and larger fish species like the Ocean Sunfish.

Easily Confused With

Often confused with the Northern Sea Nettle (Chrysaora melanaster) or the Atlantic Sea Nettle (Chrysaora quinquecirrha); it is distinguished by the specific pattern and number of stripes on its bell.

Observation Tips

Best observed in aquariums due to their stinging cells. In the wild, they are often found floating near the surface in coastal bays. Always maintain a safe distance as their sting can be painful to humans.

Interesting Facts

The 'sting' of a sea nettle comes from nematocysts, specialized cells on their tentacles that inject venom into their prey. Despite their fragile appearance, they are effective hunters.