Blue Eyed Tang (Ctenochaetus binotatus) – Saltwater Aquarium Guide

Quick Stats:

• Care Level: Moderate
• Temperament: Peaceful
• Diet: Herbivore
• Reef Safe: Yes
• Minimum Tank Size: 75 gallons
• Maximum Size: Up to 8 inches
• Water Parameters: Temperature: 72°F – 78°F, pH: 8.1 – 8.4, Salinity: 1.020 – 1.025, Ammonia: 0ppm, Nitrite: 0ppm, Nitrate: <20ppm

Comprehensive Guide:

The Blue Eyed Tang, also known as Ctenochaetus binotatus, is commonly found in the Indo-Pacific region. It inhabits coral reefs and lagoons, often in small groups. This species is considered reef-safe as it does not harm corals or other invertebrates.

The Blue Eyed Tang can grow up to 8 inches long, making it a medium-sized tang suitable for larger aquariums. It has a peaceful temperament and can be kept with other peaceful fish species.

Sexual dimorphism is not prominent in this species, and it is difficult to distinguish between males and females. The average lifespan of the Blue Eyed Tang is around 5 to 10 years with proper care.

In aquariums, the Blue Eyed Tang is primarily herbivorous and should be fed a diet of high-quality marine algae, seaweed, and other vegetable-based foods. It is important to provide a varied diet to ensure proper nutrition.

Aquascaping recommendations for the Blue Eyed Tang include providing ample swimming space and incorporating live rock formations for hiding places and grazing opportunities. Creating a strong water flow within the tank to mimic its natural habitat is also beneficial.

The Blue-Eyed Tang is not commonly available as captive-bred. Most specimens are collected from the wild. It is important to support sustainable collection practices and purchase from reputable sources to minimize the impact on wild populations.

When considering the Blue Eyed Tang tankmates, choosing a peaceful species that can tolerate its herbivorous nature is important. Five suitable tankmates include:

• Purple Tang (Zebrasoma xanthurum) – Peaceful and also herbivorous, making them compatible tankmates.
• Clownfish (Amphiprion spp.) – Known for their symbiotic relationship with anemones, they add color and activity to the tank.
• Firefish (Nemateleotris spp.) – Peaceful and known for their vibrant colors and interesting swimming patterns.
• Cleaner Shrimp (Lysmata spp.) – These shrimp help with tank maintenance by cleaning parasites off other fish.
• Bubble Coral (Plerogyra spp.) – This coral species can coexist with the Blue Eyed Tang and adds visual interest to the tank.

The Blue Eyed Tang is also known by other common names such as Two-Spot Bristletooth Tang and Two-Spot Surgeonfish.

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Popular Questions about the Blue-Eyed Tang:

1. What is the ideal tank size for a Blue Eyed Tang?

The minimum tank size recommended for a Blue Eyed Tang is 75 gallons. Providing ample swimming space is important for their well-being.

2. Can the Blue Eyed Tang be kept in a reef tank?

Yes, the Blue Eyed Tang is considered reef safe and can be kept in a reef tank without harming corals or other invertebrates.

3. How often should I feed my Blue Eyed Tang?

It is recommended to feed the Blue Eyed Tang multiple times a day with a varied diet of marine algae, seaweed, and other vegetable-based foods.

4. Can the Blue Eyed Tang be kept with aggressive fish species?

No, the Blue Eyed Tang has a peaceful temperament and is best kept with other peaceful fish species to avoid aggression and territorial conflicts.

5. How can I promote the health and longevity of my Blue Eyed Tang?

To promote the health and longevity of your Blue Eyed Tang, provide a well-maintained and properly sized tank, offer a varied and nutritious diet, maintain stable water parameters, and ensure a peaceful tank environment.