Itin 03 - Hokkaido: Marimo

Marimo (綠毬藻) is a species of filamentous green algae found in a number of lakes in the northern hemisphere. A marimo is a rare growth form of the species where the algae grow into large green balls with a velvety appearance. (Source from wikipedia). This video was at Lake Akan, Hokkaido, Japan on 9 Jul 2006.