Caridina multidentata is a species of
shrimp found in the Yamato River area of
Japan as well as parts of
Korea and
Taiwan. It was previously known as Caridina japonica but was renamed Caridina multidentata following a study in 2006 .According to different sources, Caridina multidentata was introduced into the world of
aquaria by
Takashi Amano in the early
1980s. Takashi Amano is a well known photographer and aquarist. He would have been the first who noticed these shrimps' useful characteristic of eating algae and started using them in his show aquaria.
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