Randall's Dartfish (Ptereleotris randalli)
Fish in the family Microdesmidae. Moderate care. Reef Safe.
Quick facts
Appearance
Slender, elongated body with a pointed snout and large eyes adapted to low-light reef environments. Coloration is pale tan to whitish with blue-purple horizontal stripes along the body and blue markings on the head and dorsal fin.
Diet and feeding
Feeds on small zooplankton and copepods in the wild. In captivity, offer small frozen foods like copepods, mysis shrimp, and quality pellet foods twice daily. May require specialized plankton-based diets to thrive long-term.
Difficulty and care for the Randall'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 Disorder, Bacterial Infections, Parasitic Infestations
Origin and habitat
Indo-Pacific from the Red Sea to the Great Barrier Reef and Hawaii, typically found in deeper reef slopes and lagoons.
Log Randall'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 Randall's Dartfish alongside everything else in your reef.
