noun
Ochromonas vischeri (golden alga)
A species of golden alga. The name is usually written in katakana as ヒカリモ.
ヒカリモは淡水に生息する黄金色の藻類です。
ヒカリモ is a golden alga that inhabits fresh water.
The name ヒカリモ (光藻) literally means 'light alga', referring to its golden color. The exact derivation is uncertain.