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.
ラベル Amphitretidae の投稿を表示しています。 すべての投稿を表示
ラベル Amphitretidae の投稿を表示しています。 すべての投稿を表示


Amphitretus pelagicus Hoyle, 1885

Amphitretus pelagicus is very unique an Octopus. Body is gelatinous and translucent, it's like a jellyfish. This is pelagic species of open waters. Habitat is from near surface depths to at least 2,000 m.

This individual was found in -5m at Osezaki Shizuoka Japan on 27th November 2014.
Osezaki is a part to coast of Suruga Bay.

This individual size is about 100mm ML.

Amphitretus pelagicus クラゲダコ
Dorsal view of Amphitretus pelagicus
Many chromatophores are on inner body, and small chromatophores are on web.

Amphitretus pelagicus クラゲダコ
Lateral view of Amphitretus pelagicus
Eyes like a periscope, it's to the dorsal side.

Amphitretus pelagicus クラゲダコ
Arms and web of Amphitretus pelagicus
Suckers is one row at proximally and two rows at near the tips.

Amphitretus pelagicus クラゲダコ
Upside-down pose of Amphitretus pelagicus

Arms can enclose the head. Perhaps, it's for defense.

Amphitretus - Tree of Life Web Project

Jereb,P., Roper,C.F.E.,Norman,M.D.,Julian,K.F., 2014. Cephalopods of the World. An annotated and illustrated catalogue of Cephalopod species known to date Volume 3 Octopods and Vampire Squids. FAO Species Catalogue for Fishery Purposes No.4, Vol.3. 382pp.