This is official site of Black Water Dive® produced by photographer Ryo Minemizu. Black Water Dive® is a kind of night diving. We are setting up underwater lights of high-color rendering on the sea bottom of night that while considering tides, times, places. The creature which appears is mainly juveniles and larvae. All is fascinating, and it's not to be seen at daytime or regular night diving. It will be your first experience. This site will introduce the state of the event and the creatures seen and also future of BWD schedules. *"BWD"stands for Black Water Dive®.*Black Water Dive® is a registered trademark of Ryo Minemizu.

2016年11月18日金曜日

Phylliroe bucephala is eating Rhizophysa eysenhardtii or R. filiformis

Phylliroe bucephala is eating Rhizophysa eysenhardtii Peron & Lesueur, 1807 or R. filiformis (Forskål, 1775)
P. bucephala is not so rare planktonic nudibranch. It's found at tropical and subtropical sea throughout the world. Especially, It's found many at the current-rip.

The body is thin and flat. The shape looks like a flounder fish. It has ability to bioluminescence.

Rhizophysa is kind of Siphonophorae jellyfish. They are known stocking strong poison to cnidocyte.

Phylliroe bucephala is eating Bathyphysa conifera or R. filiformis
Phylliroe bucephala is eating Bathyphysa conifera or R. filiformis


Location: Kume-Island Okinawa Japan
Time & Date: 20:30, 05, Nov, 2016
Depth: 5m, Sea Temp: 25℃
Specimen Size: 40mm


*Phylliroe bucephala Lamarck, 1816
=Phylliroe bucephalum Peron & Lesueur, 1810

Japanese name"konoha-umiushi"
="konoha" mean leaf.
="umiushi" mean nudibranchs.


<<References>>

WoRMS - World Register of Marine Species - Phylliroe bucephala Lamarck, 1816

The Sea Slug Forum - Phylliroe bucephalum
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