Rising lake water temperatures threaten the survival of marimo, unique algal balls found only in cold lakes. Researchers clarified that the warmer it gets, the more the inward decomposition outpaces ...

Climate change could overexpose rare underwater "marimo" algae balls to sunlight, killing them off according to a new study at the University of Tokyo. Marimo are living fluffy balls of green algae.

In the winter months, at the bottom of Lake Akan in Hokkaido, Japan, harmless underwater algae balls that can grow to be bigger than basketballs are protected from death by an ice shield on top of the ...

The marimo (Aegagropila brownii), a nationally designated Special Natural Monument of Japan, inhabits Lake Akan in Hokkaido, where environmental conditions fluctuate drastically with the seasons. Of ...

The Washington Department of Fish and Wildlife (WDFW) is investigating the discovery of invasive zebra mussels in a shipment of Marimo moss balls at a wholesale aquarium company in Renton, as reported ...

Highly invasive and destructive freshwater mussels are threatening to make their way to the Pacific Northwest through decorative aquarium moss balls. Earlier this month, a wholesale aquarium company ...