Purple Firefish

The Firefish, also known as the Fire Dartfish (Nemateleotris magnifica), is a small, vibrant fish native to the Indo-Pacific region, including areas such as the Philippines, Indonesia, and the Great Barrier Reef. Renowned for its striking coloration and elongated dorsal fin, it is a popular choice among marine aquarium enthusiasts.

(REEF SAFE / BEGINNER)

Essential Information:

• Common Names: Firefish, Fire Dartfish, Fire Goby
• Scientific Name: Nemateleotris magnifica
• Family: Microdesmidae
• Origin/Habitat: Found in the Indo-Pacific region, including areas such as the Philippines, Indonesia, and the Great Barrier Reef.
• Maximum Size: Typically grows up to 3 inches (7.6 cm).
• Lifespan: Typically 3 years; can survive up to 4 years with good care.
• Level of Difficulty: Intermediate; requires a well-established aquarium with stable water parameters and a consistent food supply.

Appearance & Physical Traits:

• Coloration & Pattern: Features a yellow head transitioning to a white mid-body, with the rear half displaying a gradient from pale orange/red to deep red at the tail. An elongated white first dorsal fin adds to its distinctive appearance.
• Body Shape & Structure: Small, elongated body with a slightly compressed shape and a distinctive elongated dorsal fin.

Habitat & Environmental Needs:

• Minimum Tank Size: A 30-gallon (114-liter) tank is recommended for a single individual.
• Water Temperature: Maintain between 74°F and 80°F (23°C to 27°C).
• pH Level: Keep between 8.0 and 8.4.
• Specific Gravity: Optimal range is 1.020 to 1.025.
• Aquascape: Provide live rock with plenty of hiding spots and open swimming areas.

Diet & Feeding:

• Diet Type: Carnivorous
• Preferred Foods: High-quality frozen or live foods such as brine shrimp, mysis shrimp, and copepods.
• Feeding Frequency: Feed small amounts 2 to 3 times daily to accommodate their high metabolism.

Behavior & Compatibility:

• Temperament: Peaceful and active; may be shy and spend time hiding when first introduced to the tank.
• Social Behavior: Best kept singly or in pairs; avoid keeping multiple males together to prevent aggression.
• Tank Mate Compatibility: Compatible with other peaceful marine species; avoid aggressive fish that may stress the Firefish.
• Activity Level: Moderately active, often seen darting between rocks and occasionally resting in crevices.

Care Considerations & Additional Notes:

• Ease of Care: Suitable for intermediate hobbyists due to specific dietary and environmental requirements.
• Special Requirements: Requires a well-established aquarium with stable water parameters and a consistent food supply.
• Breeding Info: Little is known about breeding the Firefish in captivity.
• Additional Notes: The Firefish is an excellent choice for reef tanks, as it is reef-safe and provides interesting behavior as it interacts with its environment. It can sometimes be territorial with other dartfish but generally coexists peacefully with other fish.