Zebra mussel
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The zebra mussel is a small freshwater mussel, an aquatic bivalve mollusc in the family Dreissenidae. The species originates from the lakes of southwestern Russia and southeastern Europe, but has been
Dreissena polymorpha 0265
Right valve
Left valve
Closeup of siphon
Marimo
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Marimo is a rare growth form of Aegagropila brownii in which the algae grow into large green spheres with a velvety appearance.
Zebra mussel
…mussels have cost power companies alone over $3 billion. On 2 March 2021, the US Geological Survey was notified that zebra mussels had been discovered in marimo moss balls, a common aquarium plant, sold in pet stores across North America. By 8 March, the invasive species had been detected in moss balls across 30 states…
Marimo lake akann
Co je to řasokoule
Three common growth forms of Aegagropila linnaei: as a ball, free-floating filaments, and growth on rocks.
Lake Akan and Mount Oakan in Japan.