HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesTaileyed goby Taileyed goby (Parachaeturichthys polynema) Scientific name: Parachaeturichthys polynema Bleeker, 1853 The Taileyed goby (Parachaeturichthys polynema) is a marine fish of the family Gobiidae. Native range: Indo-West Pacific, south to Natal, South Africa; India and Japan. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 9-11; Anal spines: 1; Anal soft rays: 9 - 10. Body greenish; fins dark; upper caudal fin base with a large black spot surrounded by yellow.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParachaeturichthys polynemaFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentMarine; demersalClimateTropicalDistributionIndo-West Pacific: south to Natal, South Africa; India and Japan.Conservation status (IUCN)Not EvaluatedThreat to humansPoisonous to eatUsesFisheries: of no interestResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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