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Margin Dartfish (Parioglossus marginalis)

Find Margin Dartfish across reef-livestock retailers on ReefDock. Compare sources, check known pricing where available, and review care information before you buy.

Margin Dartfish
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Where to buy Margin Dartfish

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

  • Saltwaterfish

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  • Amazon

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  • Petco

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About Margin Dartfish

A tiny, elongated goby with a pale tan-to-yellow body and distinctive darker brown or reddish margins along the dorsal and anal fins. It has a pointed snout and small mouth adapted for picking at micro-organisms.

Key facts

Diet Details
Feed small, frequent meals of finely crushed prepared foods, high-quality micro pellets, and copepod-rich foods. Live or frozen food (copepods, amphipods, small mysis) is highly beneficial and should form the bulk of the diet.
Temperament
Peaceful
Origin
Indo-Pacific region from Indonesia and the Philippines to Papua New Guinea and the Great Barrier Reef.
Common Health Issues
Marine Ich, Fin Rot, Swim Bladder Disorder, Hole in the Head Disease, Columnaris Disease
Family
Microdesmidae
Care Level
Hard
Max Size
2.5
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.026
Min tank size
20 gallons
Appearance
A tiny, elongated goby with a pale tan-to-yellow body and distinctive darker brown or reddish margins along the dorsal and anal fins. It has a pointed snout and small mouth adapted for picking at micro-organisms.
Care Requirements
• Minimum 20-gallon tank with sandy substrate for burrowing • pH 8.1–8.3, salinity 1.023–1.025, temperature 72–78°F • Require live sand and rubble for natural behavior • Feed small foods: copepods, amphipods, mysis, quality flake • Keep singly or in bonded pairs; gentle, shy species
Reef safety
Reef Safe

Research before you buy

ReefDock is the sister app to Reef Trak. Use Reef Trak to research and log fish, keep tank parameters organized, and maintain a complete livestock history. Log this fish on Reef Trak.

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