Amano Shrimp Care Guide

Caridina multidentata

PeacefulModerateFreshwater
Max Size
5.0 cm / 2.0"
Temperature
21–26°C (70–78°F)
pH Range
6.0 – 7.5
Min Tank Size
20L (5 gal)
Min Group Size
3 fish
Tank Level
Bottom
Origin
Southeast Asia
Temperament
Peaceful
Difficulty
Moderate
Breeding Difficulty
Difficult

Diet

Omnivorous. They primarily feed on biofilm, algae, and organic matter in the aquarium. You can supplement their diet with high-quality shrimp pellets, algae wafers, blanched vegetables (such as zucchini or spinach), and small live or frozen foods like brine shrimp or daphnia.

Community Compatibility

Amano Shrimp can be kept with a variety of peaceful fish species, such as small tetras, rasboras, or livebearers. They are known for their efficient algae-eating habits and are often used as natural algae control in aquariums. However, avoid keeping them with aggressive or fin-nipping fish that may harm the shrimp. Also, be cautious with larger cichlids or predatory fish that may view the shrimp as food.

Gender Differences

Male and female Amano Shrimp are difficult to differentiate visually. Males may appear slightly smaller and more slender.

About the Amano Shrimp

Amano shrimp, scientifically known as Caridina multidentata, are highly sought-after freshwater shrimp species among aquarists. Originating from Japan, they are valued for their unique appearance, algae-eating abilities, and peaceful nature. Amano shrimp are widely regarded as one of the most efficient natural cleaners for planted aquariums, making them a popular choice for algae control.

Amano shrimp have a slender and elongated body shape with a translucent appearance. They have a distinctive set of long and thin antennae, which they use to sense their surroundings and locate food. Their coloration ranges from a pale grayish-brown to a light greenish hue, providing excellent camouflage in natural environments.

In their natural habitat, Amano shrimp are typically found in freshwater rivers and streams with moderate to fast-flowing water. They are known for their voracious appetite for algae and decaying plant matter. When kept in an aquarium, they play a vital role in controlling and reducing unwanted algae growth, including green hair algae, brush algae, and brown diatoms.

Amano shrimp are generally peaceful and can be kept in a community tank with other non-aggressive fish species and compatible invertebrates. However, caution should be taken when selecting tank mates, as some larger fish may view them as prey or try to harass them. It's best to choose species that are known to be shrimp-friendly and avoid aggressive or fin-nipping fish.

Caring for Amano shrimp involves providing them with a well-maintained and established aquarium. They appreciate a tank with plenty of live plants, driftwood, and rocks, which not only serve as hiding spots but also provide surfaces for algae growth, their primary food source. Water quality is crucial, and regular water changes, good filtration, and stable parameters are essential to their well-being.

Amano shrimp are primarily herbivorous and thrive on a diet of algae and biofilm. In aquariums with limited algae, it's important to supplement their diet with high-quality commercial foods specifically designed for shrimp. Additionally, blanched vegetables like spinach, zucchini, or algae wafers can be provided as occasional treats to ensure they receive a balanced and nutritious diet.

Breeding Amano shrimp in captivity is challenging and rarely achieved in home aquariums. Their larval stages require a transition from saltwater to freshwater, making successful breeding a complex process. As a result, most Amano shrimp available in the aquarium trade are commercially bred rather than wild-caught.

In conclusion, Amano shrimp are valuable additions to freshwater aquariums, especially planted tanks that require effective algae control. With their unique appearance, algae-eating abilities, and peaceful temperament, they offer both aesthetic and practical benefits. By providing them with suitable tank conditions, compatible tank mates, and a diverse diet, Amano shrimp can thrive and contribute to the overall health and beauty of your aquatic setup.

Stock Amano Shrimp in Your Tank

Use our free stocking calculator to see if Amano Shrimp fits your aquarium