HomeFish encyclopediaRay-finned fishesPerch-like fishWormfishesYellowstripe wormfish Yellowstripe wormfish (Gunnellichthys viridescens) Scientific name: Gunnellichthys viridescens Dawson, 1968 The Yellowstripe wormfish (Gunnellichthys viridescens) is a marine fish of the family Microdesmidae. Native range: Indo-Pacific, Seychelles, Maldives, and the Great Barrier Reef; Carolines and Marshalls in Micronesia. Reported from the Persian Gulf. BiologyDorsal spines: 20 - 21; Dorsal soft rays: 38-41; Anal soft rays: 36 - 40Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGunnellichthys viridescensFamilyMicrodesmidae (Wormfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range1–21 m (3–69 ft)EnvironmentMarine; reef-associated; depth range 1 - 21 m, usually 1 - 5 mClimateTropicalDistributionIndo-Pacific: Seychelles, Maldives, and the Great Barrier Reef; Carolines and Marshalls in Micronesia. Reported from the Persian Gulf.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026