Best tank cleaner shrimp for your freshwater aquarium

Many species of freshwater shrimps are especially good as tank cleaners, as they feed on algae, plant matter and other sediments, obsessively scouting their environment until they have no more to eat. Having a small team of shrimp in your aquarium will ensure it never gets too dirty or overridden with seaweed. And while there are hundreds and hundreds of different species of freshwater shrimp, here you will find our top 3 best algae eaters which will make the optimal tank cleaning squad. 

Amano Shrimp
Amano Shrimp

1. Caridina multidentata (Amano Shrimp)

Name: Caridina Multidentata, Caridina Japonica, Amano Shrimp

Tank size: Min. Dimensions 5 gallons.

Water pH: 6.5 – 7.5.  Light to hard water.

Level of care: easy

Maximum growth size: 2 inches

Compatible with: small and medium sized non-aggressive community aquarium companions. Avoid aggressive fish such as goldfish and cichlids.

Additional Information: Arguably the most popular freshwater shrimp, and undoubtedly one of the best seaweed-eating shrimps available. They are sociable and thrive in groups of three or more.


File:Red Cherry Shrimp 1.jpg - Wikimedia Commons
Red Cherry Shrimp

2. Neocaridina Heteropoda (Red Cherry Shrimp)

Name:  Neocaridina heteropoda, neocaridina davidi, Red Cherry Shrimp

Tank size: Min. 2 gallons, for 2-4 shrimps. 

Water pH: 6.5 – 8.0.

Level of care: easy

Maximum growth size: 1.5 inches

Compatible with: Non-aggressive fish such as Neon, Otocinclus, Boraras maculatus and some Killi. Avoid keeping them with large fish such as angelfish and cichlids.

Additional information: they are bright red and add a touch of color to your aquarium. Excellent for cleaning algae in difficult places, where larger shrimps can’t get.


Grass Shrimp

3. Palaemonetes Antennarius (Grass Shrimp)

Name: Palaemonetes antennarius, Freshwater Grass Shrimp

Tank size: Min. Dimensions 5 gallons.

Water pH: 6.5 – 8.0

Level of care: easy

Maximum growth size: 1.5-2 inches

Compatible with: less aggressive small fish. Avoid keeping together with large fish, as they are likely to prey on them.

Additional Information: They won’t be as high performing as the Red Cherry Shrimp, but they are good algae eaters.

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    KH (Alkalinity / Carbonate Hardness) and GH (General Hardness) usually fluctuate together, and when they do, TDS (Total Dissolved Solids) is also affected. KH also always has an impact on pH (Acidity / Basicity levels). pH may or may not change KH and TDS, depending on whether the change is due to an increase in acidity or some other factors. Chart illustrating shrimp species, genuses and families under the Decapoda animal order.
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1 thought on “Best tank cleaner shrimp for your freshwater aquarium”

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