HomeMarine aquarium fishGobies, blennies & dottybacksCurious wormfish Curious wormfish (Gunnellichthys curiosus) Scientific name: Gunnellichthys curiosus Dawson, 1968 The Curious wormfish (Gunnellichthys curiosus) is a marine fish of the family Microdesmidae. In the aquarium it needs water at 22–27°C (72–81°F). Native range: Indo-Pacific, Seychelles and Mauritius to the Hawaiian and Society islands. Curious wormfish care at a glanceTemperature22–27°C (72–81°F) BiologyDorsal spines (total): 20 - 21; Dorsal soft rays (total): 40-42; Anal soft rays: 38 - 40Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGunnellichthys curiosusFamilyMicrodesmidae (Wormfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range9–60 m (30–197 ft)EnvironmentMarine; reef-associated; depth range 9 - 60 m, usually 10 - 60 mClimateTropicalDistributionIndo-Pacific: Seychelles and Mauritius to the Hawaiian and Society islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercial More gobies, blennies & dottybacksYellowhead jawfishOpistognathus aurifronsFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasOnespot wormfishGunnellichthys monostigmaY-bar shrimp gobyCryptocentrus fasciatusSee all gobies, blennies & dottybacks SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026