Marimo, more commonly known as moss balls, make a fun addition to your indoor garden and are a popular feature in aquariums. These aquatic plants are also relatively easy to care ...

These “moss balls” are popular pets in Japan, where they are known as “marimo” (“seaweed balls”). Despite their popular English name, marimo is not a moss at all. Instead, it is a slow ...

KUSHIRO, Hokkaido—“Marimo” moss balls, the fuzzy green spheres that have brought fame to Lake Akanko here, are shrinking because of global warming, a research group found. The maximum ...