Longfin Dottyback (Manonichthys polynemus)
Fish in the family Pseudochromidae. Easy care. Reef Safe.
Quick facts
Appearance
Elongated eel-like body, up to 150 cm long; yellowish brown dorsally, silver ventrally; distinctive longitudinal black lines and dark spots on flanks.
Diet and feeding
Zooplankton, small crustaceans (e.g., copepods), marine worms, and fish fry in the wild. In aquariums, brine shrimp, mysis shrimp, and various types of commercial fish foods can be offered.
Difficulty and care for the Longfin Dottyback
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 septicaemia, Hole-in-the-head disease
Origin and habitat
Manonichthys polynemus is naturally found in the northwestern Pacific Ocean, specifically off the coasts of Japan, Korea, and Russia. The depth range varies from the continental shelf to the upper slope at approximately 200-1500 meters.
Log Longfin Dottyback 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 Longfin Dottyback alongside everything else in your reef.