HomeFish encyclopediaRay-finned fishesCusk eelsPearlfishesWorm pearlfish Worm pearlfish (Encheliophis vermicularis) Scientific name: Encheliophis vermicularis M?ller, 1842 The Worm pearlfish (Encheliophis vermicularis) is a marine fish of the family Carapidae. Native range: Indo-Pacific, Gulf of Aden to the Philippines and the Society Islands, north to the Ryukyus. Range extends to the eastern Pacific. BiologyEel-like, moderate to shallow body depth; maxilla adnate or nearly so; cardiform teeth present; branchiostegal membranes partly or completely united; swim bladder with thin terminal membrane or bulb; lacking enlarged dentary or premaxillary fangs, dentary diastema, pelvic fins, and swim bladder rocker bone. Lacks externally visible pectoral fins.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEncheliophis vermicularisFamilyCarapidae (Pearlfishes)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range0–1 m (0–3 ft)EnvironmentMarine; reef-associated; depth range 0 - 1 mClimateTropicalDistributionIndo-Pacific: Gulf of Aden to the Philippines and the Society Islands, north to the Ryukyus. Range extends to the eastern Pacific.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: 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