noun
Batrachospermum gelatinosum (species of red alga)
A freshwater red alga found in streams and rivers. The name is usually written in katakana as カワモズク.
カワモズクは清流に生育する紅藻の一種です。
Batrachospermum gelatinosum is a type of red alga that grows in clear streams.
The name カワモズク literally means 'river mozuku', referring to its resemblance to the edible seaweed モズク (mozuku) and its freshwater habitat.