HomeMarine aquarium fishGobies, blennies & dottybacksFire-tail devil Fire-tail devil (Labracinus cyclophthalmus) Scientific name: Labracinus cyclophthalmus M?ller & Troschel, 1849 The Fire-tail devil (Labracinus cyclophthalmus) is a marine fish of the family Pseudochromidae. In the aquarium it needs water at 22–26°C (72–79°F). Fire-tail devil care at a glanceTemperature22–26°C (72–79°F) BiologyDorsal spines (total): 2; Dorsal soft rays (total): 25; Anal spines: 3; Anal soft rays: 14 - 15. Lower lip uninterrupted at symphysis. Vomerine teeth relatively large, arranged in a chevron. Caudal fin rounded; upper part with 5 - 6 procurrent rays and 9 principal rays. Lateral line with anterodorsal series of 43 - 62 (usually 48 - 62) tubed scales extending from gill opening, and a peduncular series of 12 - 14 (usually 18 - 22) tubed scales. Dorsal and anal fins with distinct scaly sheaths.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLabracinus cyclophthalmusFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length22.0Depth range2–20 m (7–66 ft)EnvironmentMarine; reef-associated; depth range 2 - 20 m, usually 10 - 15 mClimateTropicalDistributionWestern Pacific: widely distributed throughout the Indo-Malayan Archipelago, from southern Japan, south to the Northwest Shelf of Australia, and east to New Ireland, Papua New Guinea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercial More gobies, blennies & dottybacksYellowhead jawfishOpistognathus aurifronsFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasFine-scaled dottybackLubbockichthys multisquamatusCometCalloplesiops altivelisSee 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