HomeFish encyclopediaRay-finned fishesPerch-like fishCardinalfishesRingtail cardinalfish Ringtail cardinalfish (Nectamia annularis) Scientific name: Nectamia annularis R?ppell, 1829 The Ringtail cardinalfish (Nectamia annularis) is a marine fish of the family Apogonidae. Native range: Western Indian Ocean, Known only from the Red Sea and the Gulf of Aden. Species factsScientific nameNectamia annularisFamilyApogonidae (Cardinalfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.0Depth range0–17 m (0–56 ft)EnvironmentMarine; reef-associated; depth range 0 - 17 mClimateTropicalDistributionWestern Indian Ocean: Known only from the Red Sea and the Gulf of Aden.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries:ResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026