Amano Shrimp – Natural Algae Control for Planted Aquariums
The Amano Shrimp (Caridina multidentata) is one of the most popular freshwater aquarium shrimp, highly valued for its excellent algae-grazing abilities, peaceful temperament, and active behaviour.
Originally native to Japan and other parts of East Asia, this fascinating shrimp features a translucent body decorated with delicate brown dots and dashes, allowing it to blend naturally into planted aquarium environments.
Amano Shrimp are especially popular among aquascaping enthusiasts for their ability to graze on soft algae, biofilm, and leftover food. Their larger size and active feeding behaviour make them excellent additions to established planted aquariums.
They spend much of their time exploring aquatic plants, driftwood, rocks, and substrate, helping maintain a cleaner and more balanced aquarium environment.
Hardy, peaceful, and entertaining to observe, Amano Shrimp are an excellent choice for aquarists looking for a natural aquarium maintenance companion.
Care Guide
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Parameter
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Details
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Scientific Name
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Caridina multidentata
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Common Name
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Amano Shrimp
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Other Names
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Yamato Shrimp, Japanese Algae-Eating Shrimp
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Origin
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Japan and other parts of East Asia
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Adult Size
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Approximately 4–6 cm
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Temperature
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20–26°C
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pH
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6.5–7.8
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General Hardness
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GH 5–15 dGH
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Carbonate Hardness
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KH 2–10 dKH
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Minimum Tank Size
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40 L+ recommended
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Diet
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Omnivore; algae, biofilm, shrimp pellets, organic matter
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Temperament
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Peaceful
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Care Level
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Easy to Intermediate
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Group Size
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5+ recommended
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Lifespan
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Approximately 2–3 years, sometimes longer
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Breeding
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Larvae require brackish or marine conditions
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Aquarium Type
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Planted Aquarium / Community Aquarium / Aquascape
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