Jellyfish at night. The called quotaequorea
The jellyfish called "Aequorea victoria" which has the green fluorescent protein (GFP) that exhibits bright green fluorescence when exposed to light in the blue to ultraviolet range.It is also sometimes called the crystal jelly.
"jellyfish " is called "kurage(??? in hiragana or ??? in katakana or ??or?? in kanji)" in Japanese.
For more info about "Aequorea victoria" is here:
http://en.wikipedia.org/wiki/Aequorea_victoria.. The called quotaequorea