Fried Egg Jellyfish: 21 Facts You Won't Believe!

Fried egg jellyfish facts about the species native to warm waters of Mediterranean Sea.

Fried egg jellyfish, commonly known as egg-yolk jellies, is a jellyfish that has a smooth transparent bell and a raised yolk-yellow bell in the center. Their scientific name is Phacellophora camtschatica. This jellyfish floats around for a long time, softly pulsating its bell. Despite its tendency for remaining immobile for the majority of the time, jellyfish may swim aggressively. Cotylorhiza tuberculata is a species of fried egg jellyfish that is most often seen in the Mediterranean Sea. The majority of jellyfish are free-swimming sea creatures with umbrella-shaped bells and trailing tentacles. Cotylorhiza tuberculata is a species of fried egg jellyfish that is most often seen in the Mediterranean Sea. This marine species sting lightly. Fried-egg jellyfish (Phacellophora camtschatica) are frequently infected with amphipods or young crabs. Their life cycle also varies as they die and multiply.

Here are some interesting facts on fried egg jellyfish (Phacellophora camtschatica) for your perusal. Afterwards, do read our other articles on flame jellyfish and moon jellyfish.

Fried Egg Jellyfish

Fact File

What do they prey on?


What do they eat?


Average litter size?

Up to 45,000 eggs in one night

How much do they weigh?

Up to 1.05 oz (0.03 kg)

How long are they?

24 in (60.9 cm)

How tall are they?

Tentacle size: 20 ft (6 m)

What do they look like?

Huge bell, transparent margin with large lobes, alternate small lobes, each lobe with clusters of up to 25 long blue tentacles

Skin Type

Slimy skin

What are their main threats?

Climate change

What is their conservation status?

Not Evaluated

Where you'll find them

Atlantic Ocean, Mediterranean Sea, Pacific Ocean


North America and South America





Scientific Name

Phacellophora camtschatica





Fried Egg Jellyfish Interesting Facts

What type of animal is a fried egg jellyfish?

Fried egg jellyfish (Phacellophora camtschatica), also known as the egg-yolk jellyfish, is a big jellyfish of the phacellophoridae family. This species can be found living in Atlantic Ocean, Mediterranean Sea, and Pacific Ocean.

What class of animal does a fried egg jellyfish belong to?

Fried egg jellyfish (Phacellophora camtschatica) belongs to the class of invertebrates of the family Phacellophoridae with their scientific name being Phacellophora camtschatica. They have transparent margin with large lobes, alternate small lobes, each lobe with clusters of up to 25 long blue tentacles.

How many fried egg jellyfish are there in the world?

There is no accurate and exact way of knowing how many fried egg jellyfish (Phacellophora camtschatica) there are in the globe as members of this marine species multiply and die proportionally with birth of juvenile fried egg jellyfish and death of mature fried egg jellyfish. The conservation status of cotylorhiza tuberculata in the world has not been evaluated by IUCN indicating that their population in warm waters of Atlantic Ocean, Mediterranean Sea, and Pacific Ocean is that of least concern at present.

Where does a fried egg jellyfish live?

Fried egg jellyfish thrive in shallow depths of the Atlantic or Pacific ocean up to 165 ft (50.2 m). Their habitat range primarily comprise of warm waters.

What is a fried egg jellyfish's habitat?

One of the largest types of cotylorhiza tuberculata found in Monterey Bay is egg-yolk jelly fish. Normally, this enormous jelly fish drifts inert or moves with mild pulsation. Fried egg jellyfish may live in depths of up to 165 ft (50.2 m). Cotylorhiza tuberculata mostly inhabits the Mediterranean Sea,  western Atlantic Ocean, and the Pacific Ocean.

Who do fried egg jellyfish live with?

Smaller kinds of jellyfish prefer to cluster together for protection from predators. Larger species of cotylorhiza tuberculata, on the other hand, tend to be more secluded in their environment.

How long does a fried egg jellyfish live?

Fried egg jellyfish only lives for around six months, usually one season from summer to winter. The life span is quite short compared to other marine species.

How do they reproduce?

The fried egg jellyfish (Phacellophora camtschatica) reproduce sexually at the medusa stage of life, which resembles that of a regular jellyfish. After females release eggs and males produce sperm, the fertilized eggs develop into larvae that eventually settle on docks or the ocean floor. Some jellyfish can lay as many as 45,000 eggs in a single night.

What is their conservation status?

Fried egg jellyfish multiply rapidly. As a result of this biological tendency, the population of cotylorhiza tuberculata appears to be steady for the time being. As a result, the IUCN presently does not have a listing for this organism in terms of conservation status. However, this might change or alter in the near future. It is undoubtedly vulnerable to the same hazards as other marine creatures.

Fried Egg Jellyfish Fun Facts

What do fried egg jellyfish look like?

Fried egg jellyfish's main body, or bell, can grow to be up to 2 ft (0.6 m) in diameter. His tentacles may grow to be more than 20 ft (6 m) long. The light yellow core of fried egg jellyfish is surrounded by opaque or white tissue. Fried egg jellyfish's tissues are mostly composed of water, accounting for around 95 % of their total weight. The fried egg jellyfish lacks respiratory organs like gills, lungs, and trachea. It breathes by diffusing oxygen from water via a thin membrane that covers its body. The high surface-area-to-volume ratio aids in the diffusion of more oxygen and nutrients.

The fried egg jellyfish species is known for its long tentacles that can measure up to 20 ft (6 m)

How cute are they?

The fried egg jellyfish (Phacellophora camtschatica) have a wonderful hue on them down beneath the waters because they have the power to shine in the dark.

How do they communicate?

Fried egg jellyfish (Phacellophora camtschatica) do not communicate in the same way that humans do; they do not have a brain or language, yet some of them can flash colorful lights. Scientists believe they might be used to camouflage themselves or perhaps lure prey. They can communicate with one another.  When they are preparing to reproduce, it exudes chemicals.

How big is a fried egg jellyfish ?

The lion's mane jellyfish is four times bigger than the fried egg jellyfish. The jellyfish has a bell that can reach 24 in (60.9 cm) in diameter, a golden dome that can reach 14 in (35.5 cm) in diameter, and tentacles that may reach 20 ft (6 m) in length.

How fast can a fried egg jellyfish swim?

There is no computation for the speed of this species from phylum cnidaria, although it moves slowly and typically floats with the water even while swimming.

How much does a fried egg jellyfish weigh?

Fried egg jellyfish (Phacellophora camtschatica) have a gelatinous consistency and 95 % water in their tissues. The weight of this species is limited up to 1.05 oz (0.03 kg).

What are the male and female names of the species?

Irrespective of the sexes, both the fried egg jellyfish are called medusae. In common parlance, they may also be called as males and females respectively.

What would you call a baby fried egg jellyfish ?

Baby fried egg jellyfish are called planulae, which are little larvae. They are also called juvenile after they grow beyond a certain size.

What do they eat?

Zooplankton and other jellyfish are the fried egg jellyfish's main food. They primarily prey on zooplankton to supplement their diet requirements and give them the power to swim. The known predators for this species are water birds, fish and sea turtles.

Are they poisonous?

Although fried egg jellyfish can sting, it is not dangerous to human life.

Would they make a good pet?

No, these marine animals with tentacles cannot be maintained as pets since their survival is unsuitable in a household habitat.

Did you know...

Small creatures, like crabs, can often be found riding on top and within the jellyfish's bell, safely away from the stingers. According to researchers, their brief life cycle is an adaptation to their extremely seasonal habitat.

Cotylorhiza tuberculata, also called a fried egg jellyfish is a marine species native to warm waters.

Jellyfish are the oldest animals on the Earth that had a complex multicellular structure. As per research, jellyfish fossils dating back up to 500 million years have been found. Which makes them even older than dinosaurs.

There is no concrete information available regarding the number of eyes that a fried egg jellyfish has.

How many eggs do jellyfish lay?

Some jellyfish may lay up to 45,000 eggs in one night.

What eats fried egg jellyfish?

Sea turtles especially green sea turtle, waterbirds, and fish are among the many species that feed on fried egg jellyfish.

Here at Kidadl, we have carefully created lots of interesting family-friendly animal facts for everyone to discover! For more relatable content, check out these blue jellyfish facts and immortal jellyfish facts for kids.

You can even occupy yourself at home by coloring in one of our free printable fried egg jellyfish coloring pages.



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