Apolemichthys Xanthurus (The Indian Yellowtail Angelfish)

Overview

• Native to the Indian Ocean, particularly around Sri Lanka and the Maldives.
• Easily recognized by its grayish body, a bright yellow tail, and a black outline along its fins.
• Generally a peaceful angelfish but can display territorial behavior in confined spaces.
• A popular choice for marine aquarists due to its unique coloration and adaptability.
• Requires a well-maintained tank with rock formations for hiding and grazing.

Feeding

• Omnivorous diet, consuming sponge, algae, and small invertebrates in the wild.
• Accepts a variety of aquarium foods, including marine flakes, pellets, and frozen foods like mysis shrimp.
• Providing sponge-based foods is essential for maintaining proper nutrition and long-term health.
• Should be fed multiple times daily to ensure consistent energy levels and coloration.
• Supplementing with seaweed and vitamin-enriched foods enhances immune function.

Habitat

• Commonly found near coral-rich reefs, rocky overhangs, and deep lagoons.
• Prefers stable water parameters with moderate water movement to replicate natural conditions.
• Aquariums should include ample rockwork and caves for shelter and grazing opportunities.
• Does best in an established marine tank with diverse coral and algae growth.
• Providing varied terrain helps reduce stress and encourages natural exploration.

Fish Care

• Optimal water temperature: 74-80°F (23-27°C) to support a healthy immune system.
• Maintains best health with a pH range of 8.1-8.4 and a salinity of 1.020-1.025.
• Requires high water quality with strong filtration and routine maintenance.
• Regular water changes prevent the accumulation of toxins and support longevity.
• Providing a balanced diet and stable environment promotes vibrant coloration.

Compatibility

• Semi-aggressive; should be introduced carefully to avoid territorial disputes.
• Compatible with other angelfish, tangs, and larger reef-safe fish when housed in a spacious aquarium.
• Should not be kept with overly aggressive species that may provoke stress.
• Can be a potential coral nipper, making it a questionable choice for reef aquariums.
• Providing ample swimming space and hiding spots minimizes aggressive tendencies.

Aquarium Behavior

• An active swimmer that explores rockwork and open spaces throughout the day.
• May establish a preferred territory and defend it from newcomers.
• Often seen grazing on algae and inspecting rock crevices for food.
• Providing a structured environment with hiding spaces encourages natural behaviors.
• Becomes more confident and interactive in a well-maintained aquarium.