Amano Shrimp (Caridina japonica) is a popular freshwater shrimp species in the aquarium hobby, known for its algae-eating abilities and peaceful nature. 

Scientific Classification

• Scientific Name: Caridina multidentata (formerly Caridina japonica)
• Common Name: Amano Shrimp
• Origin: Japan, Taiwan, and parts of Korea

 Habitat & Behavior

• Natural Habitat: Freshwater streams and rivers with clean, oxygen-rich water
• Behavior: Peaceful, social, and active scavengers
• Tank Role: Excellent algae eaters, often used in planted tanks for natural cleaning

 Size & Lifespan

• Size: Up to 2 inches (5 cm)
• Lifespan: 2–3 years, sometimes longer with optimal care

 Water Parameters

• Temperature: 70–80°F (21–27°C)
• pH: 6.5–7.5
• GH/KH: Moderate hardness preferred
• Tank Size: Minimum 10 gallons recommended

 Diet

• Primary Diet: Algae, biofilm, leftover fish food
• Supplements: Blanched vegetables (zucchini, spinach), algae wafers

Breeding

• Challenge: Difficult in freshwater; larvae require brackish water to develop
• Note: Most Amano shrimp in the hobby are wild-caught or bred in specialized facilities