Azule Half Blue Damselfish Marine (3–5 cm) is a vibrant, reef-safe marine fish with striking blue coloration, perfect for nano and community aquariums.

Azule Half Blue Damselfish Marine (3–5 cm) – Detailed Product Description

• General Overview

  • The Azule Half Blue Damselfish (Chrysiptera cyanea variant) is a small, colorful marine fish admired for its vivid blue body and compact size.

  • Juveniles measuring 3–5 cm are ideal for nano tanks, reef setups, and beginner-friendly marine aquariums.

  • Hardy, reef-safe, and active, this species is perfect for hobbyists looking to add color and movement to their tanks.

  • Its lively personality and adaptable nature make it a favorite in community and reef aquariums.

• Appearance & Coloration

  • Bright, iridescent blue on the upper half of the body with lighter or contrasting lower half.

  • Compact, oval-shaped body with streamlined fins for agile swimming.

  • Juveniles at 3–5 cm are small but develop intense coloration as they mature.

  • Striking appearance contrasts beautifully against live rock, coral, and sandy substrates.

• Temperament & Behavior

  • Semi-aggressive yet hardy, typical of damselfish species.

  • Active and energetic, often patrolling mid-level zones in the aquarium.

  • Can establish territories, especially with conspecifics in small tanks.

  • Reef-safe when paired with corals and non-aggressive fish.

  • Juveniles may be shy initially but adapt quickly in a stable environment.

• Adult Size & Lifespan

  • Adult size: Approximately 7–10 cm

  • Juveniles at 3–5 cm grow steadily with proper diet and tank conditions.

  • Lifespan: 4–6 years in well-maintained marine aquariums.

  • Coloration and fin development improve as the fish matures.

• Tank Size & Aquarium Setup

  • Minimum tank size: 40–60 liters (10–15 gallons) for juveniles.

  • Provide live rock and coral for shelter and natural grazing.

  • Open swimming areas allow active movement and natural behaviors.

  • Moderate water flow preferred; avoid strong currents that may stress small juveniles.

  • Reef-friendly tank setup recommended for optimal health and aesthetics.

• Water Conditions (Marine Parameters)

  • Temperature: 24–27 °C

  • Salinity: 1.023–1.025 SG

  • pH: 8.1–8.4

  • Alkalinity: 8–12 dKH

  • Ammonia & Nitrite: 0 ppm

  • Nitrate: Below 20 ppm

  • Stable water parameters are essential for healthy growth, coloration, and long-term survival.

  • Weekly water changes of 10–20% help maintain water quality.

• Feeding Habit & Diet

  • Omnivorous, readily accepts a variety of foods.

  • Recommended diet includes:

    • Flake or pellet food for marine fish

    • Frozen or live mysis and brine shrimp

    • Spirulina or algae-based flakes

    • Occasional finely chopped seafood for enrichment

  • Feed 1–2 times daily, in small portions to avoid overfeeding.

• Tank Mates & Compatibility

  • Best with peaceful to semi-aggressive reef fish, including:

    • Gobies

    • Blennies

    • Wrasses

    • Other damselfish (monitor for territorial behavior)

  • Generally compatible with reef invertebrates and corals.

  • Avoid overly aggressive or predatory fish that may stress juveniles.

• Care Level & Maintenance

  • Care level: Easy to Intermediate

  • Suitable for beginners due to hardiness and adaptability.

  • Requires consistent water parameters, proper diet, and adequate shelter.

  • Introducing in small groups encourages social interaction and reduces territorial disputes.

• Health & Special Notes

  • Hardy species but sensitive to poor water quality.

  • Stress may cause hiding or territorial aggression; provide ample hiding spaces.

  • Avoid copper-based medications.

  • Coloration and behavior improve once the fish acclimates to the environment.

• Why Choose Azule Half Blue Damselfish Marine (3–5 cm)?

  • Striking blue coloration with unique half-body contrast

  • Hardy, reef-safe, and active

  • Ideal for nano, reef, and community tanks

  • Engaging and colorful addition to marine setups

  • Long-lived and visually captivating

The Azule Half Blue Damselfish Marine (3–5 cm) is a vibrant, hardy, and reef-compatible fish that brings activity, color, and charm to any marine aquarium. With proper care, stable water parameters, and compatible tank mates, this juvenile damselfish will thrive and grow into a stunning centerpiece for your tank.