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Lyre-Tail Dartfish (Ptereleotris monoptera)

Find Lyre-Tail Dartfish across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified fish listings before you buy.

Lyre-Tail Dartfish
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Where to buy Lyre-Tail Dartfish

ReefDock searches the following reef retailers for this fish. Click through to see the live price.

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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    Search Amazon
  • Petco

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    Search Petco

About Lyre-Tail Dartfish

The Lyre-Tail Dartfish is a small, slender fish with a pale silvery to light tan body, distinctive elongated dorsal and anal fins, and a characteristic lyre-shaped tail fin with extended upper and lower lobes. It has a small mouth positioned at the tip of its snout.

Key facts

Common Health Issues
Marine ich, Fin rot, Swim bladder disorder, Bacterial septicaemia, Hole-in-the-head disease
Origin
Indo-Pacific region from the Red Sea and East Africa to the Great Barrier Reef and Hawaii, typically found in deeper reef areas at depths of 20-60 meters.
Appearance
The Lyre-Tail Dartfish is a small, slender fish with a pale silvery to light tan body, distinctive elongated dorsal and anal fins, and a characteristic lyre-shaped tail fin with extended upper and lower lobes. It has a small mouth positioned at the tip of its snout.
Feeding Schedule
Feed 2-3 times daily
Max Size
5.5
Family
Microdesmidae
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Min tank size
30 gallons
Difficulty Level
Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.
Reef safety
Reef Safe
Diet Details
Feed small live or frozen foods such as mysis shrimp, copepods, and small amphipods. High-quality prepared pellet foods designed for small reef fish are accepted. Feed 2-3 times daily in small portions to match natural foraging behavior.
Care Level
Moderate

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell fish directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current fish listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible fish listings — so you can see the conditions a fish was raised in before you buy. Log this fish on Reef Trak.

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