Pearly Gudgen Dartfish - Ptereleotris sp.
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The Pearly Gudgen Dartfish is a sleek, peaceful saltwater fish known for its elongated body and iridescent sheen. This active swimmer prefers to hover near rock formations or burrow in sandy substrates, making it a great addition to reef and community aquariums. Its peaceful nature and schooling behavior make it an ideal choice for hobbyists looking for a lively yet non-aggressive species.
Description:
Common Name: Pearly Gudgen Dartfish
Scientific Name: Ptereleotris sp.
Family: Gobiidae
Size: 4-5 inches (10-12.5 cm)
Temperament: Peaceful
Difficulty: Easy
Reef Safe: Yes
Native Region:
Pearly Gudgen Dartfish are found in tropical marine waters across the Indo-Pacific, often residing near reef slopes and sandy lagoons where they form small groups.
Aquarium Setup:
Tank Size: Minimum of 30 gallons
Temperature: 74-80°F (23-27°C)
pH: 8.0-8.4
Salinity: 1.023-1.025
Substrate: Fine sand with ample rockwork for shelter.
Additional Tips:
• Schooling Behavior: Best kept in small groups to encourage natural schooling and reduce stress.
• Compatibility: Peaceful and ideal for reef tanks; should not be housed with aggressive tankmates.
• Diet: Carnivorous; feeds on small meaty foods like mysis shrimp, brine shrimp, and high-quality marine pellets.
• Cover: A secure lid is recommended, as dartfish are prone to jumping when startled.