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Aquarium Roots

Micro Crab

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Micro Crabs, the delightful and intriguing miniature crustaceans that add a unique touch to your freshwater aquarium. These tiny crabs, also known as freshwater pom-pom crabs, are captivating with their small size and distinctive appearance.

Micro Crabs are highly sought after in the aquarium hobby due to their fascinating behavior and low-maintenance care requirements. They are excellent additions to nano tanks and shrimp-only setups, bringing a sense of activity and charm to any aquatic environment.

These crabs are typically brown or olive in color, with a round body and long, thin legs that resemble pom-poms. They are known for their agile movement and constant exploration of their surroundings. Their small size, reaching around 1 to 2 centimeters (0.4 to 0.8 inches), makes them perfect for smaller aquariums or as part of a diverse community in larger tanks.

Care Requirements:

Micro Crabs are relatively easy to care for and thrive in a well-established aquarium with stable water parameters. They prefer a temperature range of 24 to 28°C (75 to 82°F) and a pH level between 6.5 and 7.5. A freshwater setup with hiding places, such as small caves or crevices, will provide them a secure environment.

Feeding Micro Crabs is an interesting experience as they exhibit omnivorous behavior. They will scavenge for leftover food and consume algae in the tank, but they also appreciate occasional feedings of high-quality sinking pellets, blanched vegetables, and small live or frozen foods.


Micro Crabs are generally peaceful and can be housed with other peaceful freshwater species. However, it's crucial to ensure tankmates are not aggressive or large enough to harm or consume them. They are known to coexist well with small fish, dwarf shrimp, and snails, making them ideal for a well-planned community aquarium.

Please note that Micro Crabs may exhibit territorial behavior towards their own kind. It is recommended to keep them in small groups or pairs to minimize any potential conflicts.

With their endearing appearance and captivating antics, Micro Crabs are a fascinating addition to any aquarist's collection. Experience the wonder of these miniature crustaceans and bring an extra dimension of interest to your aquatic world.

Type: Freshwater crustacean Origin: Southeast Asia Size: Approximately 1 to 2 cm (0.4 to 0.8 in) Color: Brown or olive Temperature: 24 to 28°C (75 to 82°F) pH Level: 6.5 to 7.5 Compatibility: Peaceful freshwater species, ideal for nano tanks and shrimp-only setups Feeding: Omnivorous, benefits from a varied diet including sinking pellets, blanched vegetables, and small live or frozen foods Placement: Micro Crabs thrive in a well-established freshwater aquarium with stable water parameters, providing hiding places and suitable tankmates.