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Zookeys. 2019 Dec 31;900:1-21. doi: 10.3897/zookeys.900.38850. eCollection 2019.

Olindias deigo sp. nov., a new species (Hydrozoa, Trachylinae, Limnomedusae) from the Ryukyu Archipelago, southern Japan.

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Kuroshio Biological Research Foundation, 560 Nishidomari, Otsuki, Kochi 788-0333, Japan Kuroshino Biological Research Foundation Nishidomari Japan.
Okinawa Churaumi Aquarium, 424 Ishikawa, Motobu, Okinawa 905-0206, Japan Okinawa Churaumi Aquarium Motobu Japan.
Ryo Minemizu Photo Office, 224-1, Yahata, Shimizu, Sunto, Shizuoka 411-0906, Japan Ryo Minemizu Photo Office Shimizu Japan.


A new hydromedusa belonging to the order Limnomedusae is reported from the Ryukyu Archipelago, southern Japan. Olindias deigo sp. nov. can be distinguished from other Olindiidae species by the number and color of tentacles. Mature medusae of O. deigo sp. nov. were collected to observe the life history, including polyp (hydroid) and medusa formation. A comparative table of the primary diagnostic characters of the genus is provided.


Development; Okinawa; flower hat jellyfish; hydroid; medusa; polyp

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