Marshall Islands Helfrich's Firefish Nemateleotris helfrichi

Marshall Islands Helfrich's Firefish Nemateleotris helfrichi

  The Helfrich's Firefish (Nemateleotris helfrichi) is a highly sought-after marine fish known for its vibrant coloration and graceful swimming style. Its combination of purple, yellow, and white tones makes it one of the most visually striking dartfish available to reef hobbyists. This species spends much of its time hovering above the substrate while remaining close to a preferred retreat. Although peaceful in nature, the Helfrich's Firefish appreciates a stable aquarium with plenty of hiding places. Its unique appearance and calm demeanor have made it a favorite among saltwater aquarists.  

• Scientific Name: Nemateleotris helfrichi
• Family Name: Microdesmidae
• Native Range: Tropical Indo-Pacific reef habitats
• Diet: Carnivorous
• Temperature Range: 72–78°F
• pH Range: 8.1–8.4
• Marine Hardness: 8–12 dKH
• Reef Safe: Yes
• Temperament: Peaceful
• Adult Size: Up to 3 inches
• Swimming Zone: Midwater and open areas near shelter
• Coloration: Purple, yellow, white, and lavender tones
• Habitat: Reef slopes and rubble zones
• Tank Recommendation: 20 gallons or larger
• Behavior: Frequently hovers above a chosen hiding place
• Special Notes: Secure aquarium covers are recommended due to jumping tendencies