
Amano shrimp
Caridina multidentata · Atyidae
Also known as Yamato shrimp, Algae shrimp
Beginner
The best algae-eating shrimp available; larger and hardier than cherries but won't breed in fresh water.
- Minimum tank
- 40 L
- Temperature
- 18–28 °C
- pH
- 6.5–7.8
- Adult size
- 5 cm
- Group size
- 5+
Will it fit your tank?
Sign in and AquaLog compares Amano shrimp against every tank you track — volume, water type, temperature and pH — then adds it to your livestock in one tap.
Sign in to check my tanksCare requirements
- Minimum tank volume
- 40 L
- Temperature
- 18–28 °C
- pH
- 6.5–7.8
- Hardness
- 4–18 dGH
- Lifespan
- 2–5 years
- Diet
- Omnivore — algae, biofilm, wafers, blanched veg.
- Care level
- Beginner
Origin & habitat
- Native region
- Japan and Taiwan
- Water type
- Freshwater
- Biotope
- Fast, cool, rocky streams
- Natural conditions
- Clean cool water, no copper, plenty of surfaces to graze.
Behaviour & stocking
- Temperament
- Peaceful
- Minimum group
- 5 fish
- Swims
- Bottom
- Good tank mates
- TetrasRasborasCorydoras
- Avoid
- Large cichlidsCopper medicationPuffers
Breeding & difficulty
- Breeding difficulty
- Advanced
- Sexing
- Females are larger with dashes rather than dots on the flanks.
- Notes
- Larvae need brackish water — no accidental population boom.
- Common ailments
- Failed moultsCopper poisoningJumping out of open tanks