Rao's Dartfish (Parioglossus raoi)

Fish in the family Microdesmidae. Moderate care. Reef Safe.

Rao's Dartfish

Quick facts

Scientific nameParioglossus raoi
FamilyMicrodesmidae
Care levelModerate
Reef safetyReef Safe
TemperamentPeaceful
Dietplanktivore
Adult size2.4 in
Minimum tank size20 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Feeding scheduleFeed 2-3 times daily

Appearance

Rao's Dartfish is a small, elongated fish with a slender body and pointed snout. It displays a yellowish-orange coloration with subtle markings and possesses characteristic dart-like swimming behavior.

Diet and feeding

Zooplankton, small crustaceans, marine worms

Difficulty and care for the Rao's Dartfish

Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.

Common health issues

Marine ich, Fin Rot, Swim Bladder Disease, Columnaris, Hole-in-the-Head (Oodinium)

Origin and habitat

Indo-Pacific region, including the Philippines and Indonesia.

Log Rao's Dartfish in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Rao's Dartfish alongside everything else in your reef.