Dwarf Emerald Rasbora

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The Dwarf Emerald Rasbora (Boraras brigittae) is a small, colorful fish species from Southeast Asia that is often favored in nano aquariums. These little fish are popular for their vibrant appearance and peaceful nature, making them ideal for community tanks.

Key Characteristics:

• Size: Dwarf Emerald Rasboras are quite tiny, reaching only about 1 inch (2.5 cm) in length when fully grown. Their small size makes them perfect for nano tanks.

• Appearance: They have a slender, elongated body with an iridescent greenish to emerald coloration that gives them their "emerald" name. During spawning or when stressed, their colors can become even more vivid.

• Coloration: In addition to their emerald-green body, they often have a hint of red near the tail and a subtle, reflective sheen on their scales. Their small size and shimmering colors make them quite attractive in aquariums.

Care Requirements:

• Tank Setup: Like most nano fish, Dwarf Emerald Rasboras thrive in well-planted tanks with plenty of hiding spots. Aquascaping with plants and rocks can help mimic their natural habitat in the slow-moving streams and ponds they come from.

• Water Conditions: They prefer slightly acidic to neutral water (pH 6.0-7.5), with temperatures ranging from 74-80°F (23-27°C). They do well in soft to moderately hard water.

• Diet: Dwarf Emerald Rasboras are omnivores and will accept a variety of foods. In the wild, they feed on small invertebrates, plankton, and plant matter. In the aquarium, they will eat high-quality flake food, micro-pellets, live foods (like daphnia), and finely chopped vegetables. It's important to provide a balanced diet for them to maintain their color and health.

Behavior and Compatibility:

• Social Behavior: These fish are peaceful and do best in groups of 5 or more, as they feel more secure in a school. They're not aggressive and generally avoid interactions with larger or more aggressive tankmates.

• Tankmates: Dwarf Emerald Rasboras do well with other small, peaceful species. They can be housed with other small fish like tetras, other rasboras, or shrimp. It’s important to avoid aggressive fish or those that might see the small rasboras as food.

• Activity: These fish are active swimmers, especially when kept in a school, and can be seen darting around the tank. They prefer to stay in the middle or top levels of the aquarium but are not shy about exploring all areas.

Special Considerations:

• Group Dynamics: As mentioned, these rasboras feel most comfortable when kept in schools. It’s important to keep at least 5 or more together to prevent stress and promote natural behavior.

• Tank Size: While they are small, they still need adequate swimming space. A tank of at least 10 gallons is recommended to ensure they have room to move around in a group.

• Water Quality: Like many small fish, they are sensitive to poor water conditions, so regular water changes and a well-maintained filtration system are crucial.

Overall:

The Dwarf Emerald Rasbora is an excellent choice for nano tanks due to its small size, striking coloration, and peaceful nature. These fish add a splash of color to a tank and are easy to care for if their basic needs (grouping, water quality, and diet) are met.

Size at shipping: 0.5 - 1" unsexed