Emerald Eye Rasbora

Emerald Eye Rasbora
Latin name:
(Rasbora dorsiocellata)

Care Level

Moderate

Temperament

Peaceful

Color(s)

Black, Green, White

Diet

Omnivore

Preferred Conditions

73-79° F, KH 3-7, pH 6.0-7.5

Avg. Max Size

Minimum Tank Size

10 gallons

Family

Cyprinidae
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Immerse yourself in the captivating world of Emerald Eye Rasbora, a stunning freshwater fish species that will add a touch of elegance to your aquarium. With their iridescent scales and playful demeanor, these fish are a delight to observe and care for.

Emerald Eye Rasbora: An Overview

The Emerald Eye Rasbora, scientifically known as Microrasbora erythromicron, is a small yet captivating fish species native to the blackwater streams and peat swamps of Southeast Asia. These fish are renowned for their vibrant coloration, which features a shimmering green iridescent body with a distinct red eye. Their compact size, typically ranging from 1 to 1.5 inches in length, makes them ideal for nano tanks and community aquariums.

Characteristics and Behavior

  • Coloration: Emerald Eye Rasboras display a mesmerizing green iridescent body with a striking red eye, giving them their distinctive name.
  • Size: These fish are relatively small, typically reaching a maximum length of 1 to 1.5 inches, making them suitable for smaller aquariums.
  • Temperament: Emerald Eye Rasboras are generally peaceful and non-aggressive, making them ideal tankmates for other small, peaceful fish species.
  • Activity Level: These fish are known for their active and playful behavior, often swimming in small groups or shoals throughout the aquarium.

Creating an Ideal Habitat for Emerald Eye Rasbora

To ensure the well-being and thriving of Emerald Eye Rasbora, it is crucial to provide them with an environment that closely resembles their natural habitat. Here are some key considerations for creating an optimal habitat:

Tank Size and Setup

  • Tank Size: A minimum tank size of 10 gallons is recommended for a small group of Emerald Eye Rasboras. Larger tanks are always better, as they provide more swimming space and help maintain stable water parameters.
  • Substrate: A dark-colored substrate, such as black sand or fine gravel, is ideal for these fish, as it mimics their natural habitat and helps enhance their vibrant coloration.
  • Plants and Decorations: Densely planted tanks with plenty of live plants, such as Java moss, ferns, and floating plants, provide hiding places and a sense of security for Emerald Eye Rasboras.

Water Parameters

  • Temperature: Emerald Eye Rasboras thrive in warm waters, with an ideal temperature range of 75°F to 82°F (24°C to 28°C).
  • pH: These fish prefer slightly acidic water, with a pH range of 5.0 to 6.5 being optimal.
  • Hardness: Soft to moderately hard water is suitable for Emerald Eye Rasboras, with a general hardness (GH) range of 5 to 15 dGH.

Proper Care and Maintenance for Emerald Eye Rasbora

Regular care and maintenance are essential for the long-term health and well-being of Emerald Eye Rasbora. Here are some key aspects to consider:

Diet and Feeding

  • Diet: Emerald Eye Rasboras are omnivorous and will readily accept a variety of foods, including live, frozen, and flake foods. A high-quality diet that includes live foods, such as brine shrimp and daphnia, is recommended to ensure optimal health and coloration.
  • Feeding Frequency: Feed your Emerald Eye Rasboras small amounts of food several times a day, rather than one large meal. This helps prevent overfeeding and maintains good water quality.

Water Changes and Maintenance

  • Water Changes: Regular water changes are crucial for maintaining good water quality and preventing the buildup of harmful toxins. Aim to change approximately 20-30% of the tank water every week or two.
  • Filter Maintenance: A properly functioning filter is essential for removing debris and maintaining water clarity. Clean or replace the filter media regularly according to the manufacturer’s instructions.

Breeding Emerald Eye Rasbora: A Step-by-Step Guide

Emerald Eye Rasboras are relatively easy to breed in captivity, making them a popular choice for hobbyists interested in fish breeding. Here’s a step-by-step guide to help you successfully breed these fish:

Selecting Breeding Pairs

  • Choose Healthy Adults: Select healthy and mature Emerald Eye Rasboras that display vibrant coloration and active behavior.
  • Male-to-Female Ratio: Aim for a ratio of one male to two or three females to ensure successful breeding.

Setting Up the Breeding Tank

  • Tank Size: A 10-gallon tank is suitable for breeding a small group of Emerald Eye Rasboras.
  • Water Parameters: Maintain the same water parameters as in the main tank, including temperature, pH, and hardness.
  • Substrate: Use a soft substrate, such as peat moss or fine gravel, to provide a suitable spawning medium for the eggs.
  • Plants and Decorations: Add dense plants and hiding places to provide security and privacy for the breeding pair.

Introducing the Breeding Pair

  • Introduce Gradually: Slowly introduce the breeding pair into the breeding tank to minimize stress.
  • Monitor Behavior: Observe the behavior of the pair closely. If they are compatible and show signs of courtship, they will likely spawn within a few days.

Caring for the Eggs and Fry

  • Remove the Parents: Once the eggs have been laid, remove the adult fish from the breeding tank to prevent them from eating the eggs or fry.
  • Maintain Water Quality: Keep the water clean and well-oxygenated during the incubation period.
  • Feeding the Fry: Once the fry hatch, feed them small live foods, such as infusoria or newly hatched brine shrimp.

FAQs About Emerald Eye Rasbora

  1. Q: How many Emerald Eye Rasboras should I keep in a 10-gallon tank?

    A: A group of 6-8 Emerald Eye Rasboras is suitable for a 10-gallon tank, providing them with ample swimming space.
  2. Q: What is the lifespan of an Emerald Eye Rasbora?

    A: With proper care and maintenance, Emerald Eye Rasboras can have a lifespan of up to 3-5 years in captivity.
  3. Q: Can Emerald Eye Rasboras be kept with other fish species?

    A: Yes, Emerald Eye Rasboras are generally peaceful and can be kept with other small, non-aggressive fish species, such as neon tetras, rummy nose tetras, and kuhli loaches.

Conclusion

Emerald Eye Rasbora are a captivating and relatively easy-to-care-for fish species that can add a touch of elegance and vibrancy to any aquarium. By providing them with a suitable habitat, proper care, and a nutritious diet, you can ensure the well-being and thriving of these beautiful fish. Whether you’re a seasoned aquarist or just starting out, the Emerald Eye Rasbora is an excellent choice for those looking to add a splash of color and personality to their underwater world.


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