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Emerald Eye Rasbora

Emerald Eye Rasbora

Posted by Max Gandara on on 19th Mar 2025

Emerald Eye Rasbora

Welcome to the fascinating realm of the Emerald Eye Rasbora, a small yet captivating fish that brings a splash of color and charm to any aquarium. Known for their striking appearance and peaceful nature, these fish are a popular choice among aquarists. In this blog, we'll delve into the unique characteristics, habitat, care requirements, and the joys of keeping Emerald Eye Rasboras.

What is an Emerald Eye Rasbora?

The Emerald Eye Rasbora, scientifically known as Rasbora dorsiocellata, is a freshwater fish that belongs to the family Cyprinidae. They are native to Southeast Asia, found in countries like Thailand, Malaysia, and Indonesia. These fish are known for their shimmering, metallic green eyes, which are their most distinctive feature and the source of their name.

Appearance and Behavior

Emerald Eye Rasboras are small fish, typically growing to about 1.5 inches in length. They have a slender, torpedo-shaped body with a translucent, silvery appearance. The most captivating aspect of their appearance is their emerald green eyes, which seem to glow under the right lighting conditions.

These fish are schooling fish, meaning they thrive in groups. They are peaceful and social, making them an excellent addition to community tanks. Their active nature and tendency to swim in the mid to upper levels of the aquarium create a dynamic visual display.

Natural Habitat

In their natural habitat, Emerald Eye Rasboras are found in slow-moving or still waters like ponds, streams, and swamps. They prefer areas with dense vegetation, which provides both shelter and feeding opportunities. Understanding their natural environment is crucial for recreating optimal conditions in an aquarium setting.

Aquarium Setup

To keep Emerald Eye Rasboras happy and healthy, it's essential to mimic their natural habitat as closely as possible. Here's a guide to setting up an ideal environment for them:

  • Tank Size: A minimum of a 10-gallon tank is recommended for a small school of Emerald Eye Rasboras.

  • Water Parameters: These fish prefer slightly acidic to neutral water with a pH range of 6.0 to 7.5. The temperature should be maintained between 72°F and 79°F (22°C to 26°C).

  • Filtration and Aeration: A gentle filter is ideal, as these fish come from slow-moving waters. Ensure good water quality through regular maintenance.

  • Aquascaping: Provide plenty of plants, such as Java fern and Anubias, to mimic their natural habitat. Driftwood and rocks can also be added to give the tank a more natural look.

Feeding and Diet

Emerald Eye Rasboras are omnivorous and have a varied diet in the wild. In captivity, they can be fed a combination of high-quality flake food, micro-pellets, and live or frozen foods like brine shrimp and daphnia. It's important to offer a varied diet to ensure they receive all the necessary nutrients.

Breeding Emerald Eye Rasboras

Breeding Emerald Eye Rasboras in captivity can be a rewarding experience. Here are some tips to encourage breeding:

  • Separate Breeding Tank: Set up a separate breeding tank with a temperature slightly higher than the community tank.

  • Spawning Mop: Provide a spawning mop or fine-leaved plants for the fish to lay their eggs.

  • Conditioning: Feed the breeding pair a rich diet to condition them for spawning.

  • Observation: After spawning, remove the adults to prevent them from eating the eggs.

Conclusion

The Emerald Eye Rasbora is a delightful addition to any aquarium. Their captivating eyes and peaceful nature make them a favorite among fish enthusiasts. By providing the right environment and care, you can enjoy the beauty and charm of these iridescent fish in your own home. Whether you're a seasoned aquarist or a beginner, the Emerald Eye Rasbora is sure to enchant and delight.