Jelly Blubber
Encyclopedia
The Jelly Blubber also known as the Blue Blubber Jellyfish, is the most commonly encountered jellyfish
Jellyfish
Jellyfish are free-swimming members of the phylum Cnidaria. Medusa is another word for jellyfish, and refers to any free-swimming jellyfish stages in the phylum Cnidaria...

 along the Australian eastern coast and large swarms sometimes appear in estuarine waters.

In Sydney waters, the Jelly Blubber's large bell is a creamy white or brown colour, but farther north it is usually blue. This is because the jellyfish has developed a symbiotic relationship with algal plant cells that are kept inside its body. These plants vary in colour from region to region. The algae photosynthesise, converting sunlight into energy that can be used by the jellyfish. Its bell pulses in a distinctive, staccatolike rhythm. There is no obvious mouth on the underside, but there are small openings on each arm, through which food is passed to the stomach.The tentacles also have stinging cells that can capture tiny crustaceans and other plankton. This species can be distinguished by its conspicuous internal cross. They have very fleshy, three-winged arms around their mouths. A full complement is eight, but they are often seen with fewer arms or with pieces missing.

Distribution:
Queensland, New South Wales, Victoria.

Habitat:
Intertidal estuaries and coastal waters.

Status:
Common

Size:
Up to 35 cm.

Sting:
Harmless.

Reproduction

As with all true jellies, blue jellies alternate between a sexual medusa stage and an asexual polyp stage. Adult medusae brood their fertilized eggs and the resulting planula larvae.

Conservation

Blue jellies have become an increasing nuisance to Australian fishermen. In summer, large swarms of blue jellies flood the coastline of northern Australia, clogging nets and reducing fish catches. Some Australians, perceiving an increased market for jellies in Asia, decided to take advantage of the situation. Jellies are a highly regarded delicacy in Asia. The enterprising Australians tried to develop a fishery for blue jellies, but processing the delicate jellies proved difficult and time consuming.

Curiosities

The Chinese believe eating jellies will reduce high blood pressure.

Dried jellies are popular in many Asian countries, especially Japan, where they're considered a culinary delicacy. The texture is reportedly crispy, yet elastic—hence the name “Rubber Band Salad” for a dish sold in China.

Gallery



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Image:Catostylus-mosaicus.jpg|Blue blubber jelly (Catostylus mosaicus) at the New England Aquarium
New England Aquarium
The New England Aquarium is an aquarium located in Boston, Massachusetts.In addition to the main aquarium building, attractions at the New England Aquarium include the Simons IMAX Theatre and the New England Aquarium Whale Watch, which operates from April through November...

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Image:Blubber Jellyfish 1.jpg|Blubber jelly (Catostylus mosaicus) at the Monterey Bay Aquarium
Monterey Bay Aquarium
The Monterey Bay Aquarium is located on the former site of a sardine cannery on Cannery Row of the Pacific Ocean shoreline in Monterey, California. It has an annual attendance of 1.8 million visitors. It holds thousands of plants and animals, representing 623 separate named species on display...

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Image:Blubber Jellyfish 3.jpg|Blubber jelly (Catostylus mosaicus) at the Monterey Bay Aquarium
Monterey Bay Aquarium
The Monterey Bay Aquarium is located on the former site of a sardine cannery on Cannery Row of the Pacific Ocean shoreline in Monterey, California. It has an annual attendance of 1.8 million visitors. It holds thousands of plants and animals, representing 623 separate named species on display...

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