How long do Nomura jellyfish live?
Christopher Pierce
Updated on February 25, 2026
about two years
Nomura’s jellyfish are found in the Pacific Ocean near Japan and China away from predators or any threat. These jellyfish have a life span of only about two years, but they reproduce really quickly during that time period so populations don’t decrease very much.
How big is a Nomura jellyfish?
In less than a year, the Nomura’s jellyfish grows from the size of a grain of rice to larger than a person. It is one of the largest species of jellyfish, spanning two yards across and weighing 450 pounds—as heavy as a full-grown grown lion!
What is the biggest jellyfish in Japan?
Nomura’s jellyfish
TOKYO >> Swarms of giant jellyfish are floating along the coastline of the Sea of Japan, and the damage they have been causing fisheries is feared to be the worst in more than a decade. Nomura’s jellyfish is one of the world’s largest, with a bell of up to 6-1/2 feet in diameter and a weight that can hit 440 pounds.
What is the scientific name of the Nomura’s jellyfish?
Nemopilema nomurai
Nomura’s jellyfish/Scientific names
What eats Nomura jellyfish?
Their only predators consist of swordfish, tuna, sunfish, leatherback turtles and humans.
What causes Nomura polyps to suddenly turn into a baby jellyfish?
The species now blooms all over the world. The fact that environmental factors often aren’t ideal for jellyfish probably explains why blooms are intermittent. Uye and his colleagues found that the warmer the water gets, the faster Nomura polyps clone themselves, something he’s also documented in other species.
Can you eat Nomura jellyfish?
Nomura’s jellyfish (エチゼンクラゲ, echizen kurage, Nemopilema nomurai) is a very large rhizostome jellyfish, in the same size class as the lion’s mane jellyfish, the largest cnidarian in the world. It is edible but not considered high quality.
Can you eat most jellyfish?
You can eat jellyfish in many ways, including shredded or sliced thinly and tossed with sugar, soy sauce, oil, and vinegar for a salad. It can also be cut into noodles, boiled, and served mixed with vegetables or meat. Prepared jellyfish has a delicate flavor and surprisingly crunchy texture.
Where are Nomura jellyfish found?
Growing up to 2 m (6 ft 7 in) in diameter and weighing up to 200 kg (440 lb), Nomura’s jellyfish reside primarily in the waters between China and Japan, primarily centralized in the Yellow Sea and East China Sea.
Can Nomura jellyfish sting?
The giant jellyfish, because of its deadly sting, is one of the most dangerous animals in ocean waters that swimmers can encounter when they go out on a beach outing.
What is the biggest jellyfish in the world?
the lion’s mane jelly
Growing up to 120 feet long with bells up to 8 feet wide, the lion’s mane jelly is the largest known jelly species out there. They can have up to 1,200 tentacles, which originate from under the bell in 8 distinct clusters of 70 and 150 tentacles each. These tentacles contain large amounts of neurotoxins.