Hi plaalye and Matt.
"RURI BOUZU HAZE" is distributed over the Japanese south a little.
The meaning of Japanese "RURI BOUZU HAZE" is lapislazuli bonze goby.
A video clip at the natural habitat introduced before.http://www.youtube.com/watch?v=59iT22f4_9E
The scientific name of "RURI BOUZU HAZE" was Sicyopterus macrostetholepis formerly.
But that's mentioned with S.lagocephalus recently.
I don't know whether the distinction just changed or 2 species was unified.
plaalye wrote: I love the sicyopterus with the blue sheen! i've never seen this before.
Maybe they become flashier.http://palaufish.exblog.jp/8795519/
A male of S.lagocephalus sometimes seems to make a mistake in a courtship partner.
Other is S.japonicus with a picture of this Blog.http://gudaumi.exblog.jp/14055302/
The near side is Japanese S.lagocephalus, and a back one is Indonesian Sicyopterus.sp.
It's only the front individual to become the flashy body color for the moment.
However, the difference in the species can't be found between both for me.
When both of them are the quiet body color, they don't fight so much.
But when one changes to the flashy body color, a quarrel is intensified.
It changes from the quiet body color into the flashy body color in 1-2 seconds.
I am not used to English. Therefore,It is likely to sometimes misunderstand it.