Amano Shrimp – Caridina typus

DescriptionThe Australian Amano Shrimp (Caridina typus), also known as Ghost Shrimp or Native Amano Shrimp, is a highly adaptable freshwater invertebrate found in tropical and subtropical coastal streams across northern Australia and Southeast Asia. Though often confused with its Japanese counterpart (Caridina multidentata), the Australian variety thrives in similar conditions and plays a key role in algae control and tank maintenance. It features a translucent body marked with scattered dots or broken stripes, offering both aesthetic appeal and practical algae-grazing behaviour in planted aquaria.Features of Australian Amano Shrimp Caridina typusGrows to a maximum of 5 cm in lengthTransparent to slightly greyish brown body with dotted markingsLong, slender legs and antennae; agile swimmer and climberLifespan of 1.5 to 2.5 years under optimal careEfficient algae and detritus consumerRequires brackish water for larval development; does not breed in freshwaterSensitive to poor water quality and sudden changes in parametersThe best aquarium size for Australian Amano Shrimp Caridina typusA minimum tank size of 40 litres is suitable for a colony of 5–10 individuals. Larger tanks with stable water parameters are preferred, especially in community or planted setups. Providing ample surface area and plant coverage helps mimic their natural habitat.Tank Mate Compatibility for Australian Amano Shrimp Caridina typusPacific Blue-EyeWhite Cloud Mountain MinnowPygmy CorydorasCherry ShrimpNerite SnailDiet for Australian Amano Shrimp Caridina typusTheir omnivorous diet includes soft algae, biofilm, decaying plant matter, and leftover fish food. Supplement with high-quality shrimp pellets, blanched zucchini, cucumber, and spirulina-based wafers. Avoid copper-containing foods and medications, which are toxic to invertebrates.Aquarium Setup Australian Amano Shrimp Caridina typusAquarium FiltrationUse sponge or pre-filtered intakes to prevent shrimp loss and ensure gentle flow. A mature, cycled tank with strong biological filtration is essential to maintain ammonia and nitrite at zero.Aquarium PlantsThick vegetation with mosses, ferns, and floating plants provides hiding spots and surfaces for algae growth. Native species like Nardoo or Vallisneria can also be used.Aquarium LightingModerate lighting encourages healthy plant and algae growth. Use adjustable LEDs to fine-tune photoperiod and intensity, depending on algae control needs.Aquarium HeatingMaintain temperatures between 22–26°C. Stability is more important than exact values; avoid rapid fluctuations and high temperatures over 28°C.Aquarium SubstrateUse inert sand or fine gravel to avoid injury and support beneficial bacteria. Avoid copper-rich planted substrates unless verified shrimp-safe.Aquarium DecorationsProvide driftwood, rocks, and botanicals to mimic natural creek environments. These offer grazing surfaces and refuge during moulting. Ensure all materials are aquarium-safe and free from sharp edges.