Pacific sea nettle

Pacific sea nettle

 

Scientific name : Chrysaora fuscescens

 

Family : Pelagiidae
Distribution : Northeast Pacific ocean : Alaska, Canada, California, Mexico

 

Biology : This jellyfish is pelagic, which means that it lives in open water. Its umbrella can reach 30 cm.
It is carnivorous and quite voracious: in addition to zooplankton, it feeds on pieces of fish and shrimp.

 

1,500 is the number of stinging cells (cnidocytes) on one millimetre of the tentacle of this jellyfish. The cnidocytes serve to paralyse prey. It is also the cnidocytes that cause burning when in contact with the tentacles.

 

Chrysaora are a source of collagen, used in particular to relieve arthritis or joint pain.