Blackline Tail Tetra (Moenkhausia costae)

Moenkhausia costae Care Guide with Aquarium Size Requirement:

1. Tank Setup:

• Provide a spacious aquarium with a minimum size of 30 gallons to accommodate a school of Moenkhausia costae.
• Include plenty of swimming space along with hiding spots created by plants, driftwood, or decorations.

2. Water Parameters:

• Maintain a stable water temperature between 72°F to 78°F (22°C to 26°C).
• Aim for a neutral to slightly acidic pH level ranging from 6.5 to 7.5.
• Keep the water hardness in the moderate range.

3. Tank Decor:

• Moenkhausia costae appreciates a well-planted aquarium with areas of open swimming.
• Use a substrate of fine gravel or sand, and include driftwood or rocks for additional hiding places.

4. Diet:

• These fish are omnivores. Provide a varied diet that includes high-quality flakes, pellets, and occasional live or frozen foods such as brine shrimp and bloodworms.

5. Behavior:

• Moenkhausia costae are peaceful and thrive in schools. Keep them in groups of at least six individuals.
• They are active swimmers, so ensure the tank has ample swimming space.

6. Compatibility:

• They are generally peaceful and can coexist with other non-aggressive community fish.
• Avoid keeping them with larger, aggressive species that may intimidate them.

7. Tank Maintenance:

• Perform regular water changes of 25-50% every week to maintain water quality.
• Use a suitable filter to ensure proper filtration without creating strong currents.

8. Health Considerations:

• Keep an eye on the overall health of the fish, and quarantine new additions to prevent the spread of diseases.
• Moenkhausia costae is relatively hardy, but proper care is essential for their well-being.

9. Lighting:

• Provide moderate lighting, and create shaded areas with plants or decorations.
• These fish appreciate a natural day-night cycle.

By following these care guidelines and providing an appropriately sized and decorated aquarium, Moenkhausia costae can thrive, displaying their natural behaviors and vibrant colors in a community setting.