Flower hat jelly

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Flower hat jelly
Flower Hat Jellyfish 1.jpg
Scientific classification
Kingdom: Animalia
Phylum: Cnidaria
Class: Hydrozoa
Order: Limnomedusae
Family: Olindiidae
Genus: Olindias
Species: O. formosa
Binomial name
Olindias formosa
(Goto, 1903)[1][2]

The flower hat jelly (Olindias formosa) is a species of jellyfish occurring in the West Pacific off southern Japan. Characterized by lustrous tentacles that coil and adhere to its rim when not in use, the flower hat jelly's bell is translucent and pinstriped with opaque bands, making it easily recognizable. The flower hat jelly can grow to be about 15 cm (6 in) in diameter. It lives around 4–6 months. Its diet consists mostly of small fish, which are caught with the tentacles. Its sting is painful, but is not deadly to humans. It is powerful enough to leave a rash.


  1. ^ a b Olindias formosa.  Retrieved through: World Register of Marine Species.
  2. ^ a b Goto, S. (1903). The craspedote medusa Olindias and some of its natural allies. In: Mark Anniversary Volume, 1903, p. 1–22. The full text