Scissortail Dartfish - Ptereleotris evides
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The Scissortail Dartfish (Ptereleotris evides) is a graceful and elegant reef fish recognized for its elongated body, deeply forked tail, and subtle yet striking coloration. This species features a yellow-green head that transitions into a darker green rear body, complemented by dark reddish fins. Its calm nature and constant hovering behavior make it an excellent addition to peaceful reef aquariums.
Common Name: Scissortail Dartfish
Scientific Name: Ptereleotris evides
Family: Ptereleotridae
Size: Up to 6 inches (15 cm)
Temperament: Peaceful
Difficulty: Easy
Native Region: Found throughout the Indo-Pacific, inhabiting sandy lagoon bottoms and outer reef slopes where it hovers above burrows in loose groups.
Reef Safe: Yes
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 open swimming areas; provide rockwork or burrows for retreat and security.
• Behavior: Shy and easily startled; may retreat quickly when threatened.
• Cover: A tight-fitting lid is essential—dartfish are strong jumpers.
• Diet: Carnivorous—feeds readily on mysis shrimp, brine shrimp, copepods, and finely chopped frozen foods.
• Tankmates: Ideal with other peaceful reef fish; avoid aggressive or fast-moving species that may cause stress.