Long Arm Shrimp

Introduction: The Long Arm Shrimp, scientifically known as Macrobrachium lanchesteri, is a fascinating and eye-catching freshwater shrimp species admired for its impressive long arms and vibrant colors. Native to Southeast Asia, this shrimp is a popular choice among aquarists who appreciate its unique appearance and behavior. With its adaptability and intriguing traits, the Long Arm Shrimp makes an excellent addition to a well-maintained aquarium.

Scientific Name: The Long Arm Shrimp is scientifically classified as Macrobrachium lanchesteri. This species is recognized for its distinctive long pincers, which set it apart from other shrimp species in the aquarium hobby.

Water Quality and Temperature: To ensure optimal health and well-being for the Long Arm Shrimp, maintain the following water parameters:

• Temperature: Keep the water temperature between 72°F and 78°F (22°C to 26°C). This range supports their active lifestyle and overall health.
• pH Level: Maintain a pH level between 6.5 to 7.5. This range supports the shrimp’s physiological needs and promotes a stable environment.
• GH Level: Aim for a general hardness (GH) level between 6 to 12 dGH. The Long Arm Shrimp can tolerate moderately hard water conditions.
• KH Level: Maintain the carbonate hardness (KH) between 3 to 8 dKH to ensure stable pH levels and a balanced environment.

Feeding: The Long Arm Shrimp is an omnivore with a varied diet. Provide a balanced diet by offering:

• Shrimp Pellets: Specialized pellets designed for shrimp that provide essential nutrients.
• Flake Foods: High-quality flake foods suitable for invertebrates.
• Live or Frozen Foods: Such as bloodworms, brine shrimp, and daphnia to mimic their natural diet and provide additional protein.
• Vegetables: Occasionally offer finely chopped vegetables like zucchini or spinach for added nutrients and fiber.

Tank Mates: The Long Arm Shrimp is generally peaceful but can exhibit territorial behavior, especially when competing for resources. Suitable tank mates include:

• Peaceful Fish: Small, non-aggressive fish such as tetras or rasboras.
• Other Shrimp: Compatible with other small shrimp species that have similar care requirements.
• Avoid: Larger, aggressive fish or those that may view the shrimp as prey.

Substrates and Tank Decorations: Use a substrate that allows the shrimp to forage comfortably, such as fine gravel or sand. Decorate the tank with a mix of hiding spots and climbing structures.  Provide areas for the shrimp to explore and establish territories. Include hardy plants like Java Moss, Anubias, and Cryptocoryne, which offer hiding spots and create a natural environment.

Suitable Plants: The Long Arm Shrimp thrives in a well-planted tank. Recommended plants include:

• Java Moss: Provides excellent hiding spots and is tolerant of shrimp activity.
• Anubias: Hardy and durable, ideal for shrimp tanks.
• Hornwort: Offers cover and helps maintain water quality.

Sexing: Sexing Long Arm Shrimp can be distinguished by:

• Males: Typically have larger and more pronounced pincers (chelae) compared to females. Males also tend to have more vibrant coloration.
• Females: Generally have smaller pincers and may appear bulkier when carrying eggs.

Breeding: Breeding Long Arm Shrimp is relatively straightforward. The female carries eggs in a visible cluster under her abdomen, known as the berried stage. Once the eggs hatch, the larvae will be free-swimming. Ensure that the tank provides ample hiding places and suitable water conditions for the larvae to thrive.

Maximum Size and Longevity: The Long Arm Shrimp typically grows to about 4 to 6 inches (10 to 15 cm) in length, including its long pincers. With proper care, these shrimp can live up to 3 to 5 years, making them a rewarding and enduring addition to your aquarium.

General Information: The Long Arm Shrimp is a captivating and resilient species, valued for its unique appearance and adaptability. Its intriguing behavior and striking features make it a favorite among aquarium enthusiasts.

A Fun Fact: The Long Arm Shrimp is named for its remarkable long pincers, which it uses for foraging and interacting with its environment. These impressive appendages give the shrimp its distinctive look and play a crucial role in its daily activities.