Egg-yolk Jelly

At a glance

Egg-yolk Jelly (Phacellophora camtschatica) is a cnidarian present across the CatchRules coverage area but without species-specific bag, size, or season rules tracked in our regulatory dataset.

Confirmed by 4,696 research-grade iNaturalist observations, with Washington, British Columbia, and California the top jurisdictions by observation count.

Notable details

• Bell can reach 60 cm (2 feet) across, with tentacles extending up to 6 meters.
• Specializes in hunting other jellyfish, using long tentacles to ensnare them.
• Parasitic amphipods often hitchhike on its tentacles and steal captured prey.
• Produces a very weak sting that is generally harmless to humans.
• Found in cold, deep Pacific and Atlantic waters, sometimes drifting into coastal bays.

Where Egg-yolk Jelly are seen

• Washington2,468 iNat obs
• British Columbia1,580 iNat obs
• California501 iNat obs
• Oregon110 iNat obs
• Alaska23 iNat obs
• New Brunswick8 iNat obs

Background

Phacellophora camtschatica, known as the fried egg jellyfish or the egg-yolk jellyfish, is a very large jellyfish, with a bell up to 60 cm (2 ft) in diameter and 16 clusters of up to a few dozen tentacles, each up to 6 m (20 ft) long. It has traditionally been included in the family Ulmaridae, but is now considered the only member of the family Phacellophoridae.

Background excerpt adapted from Wikipedia's Egg-yolk Jelly article (CC BY-SA). Visit Wikipedia for the full entry.

Other jellyfish/anemones/corals on CatchRules

• By-the-wind SailorVelella velella
• Cannonball JellyStomolophus meleagris
• Blue ButtonPorpita porpita
• Brooding AnemoneEpiactis prolifera