Giant Marimo has the size of 5-6 cm. Since Marimo grows 0.5mm in 1 year, it means Giant Marimo is actually 10 years old.
You can expect it to grow into Super Jumbo ( 8-10cm ) in 4-6years time. It is pretty interesting to have a pet that can grow with you and be passed over to the next generation if it is take good care of. Ever wonder how to make Marimo grows faster, check it out here.
Guess what, the biggest Marimo grows up to 95cm in 200 years.