HomeMarine aquarium fishGobies, blennies & dottybacksEastern blue devil Eastern blue devil (Paraplesiops bleekeri) Scientific name: Paraplesiops bleekeri G?nther, 1861 The Eastern blue devil (Paraplesiops bleekeri) is a marine fish of the family Plesiopidae. In the aquarium it needs water at 18–22°C (64–72°F). Native range: Southwest Pacific, endemic to eastern Australia. Eastern blue devil care at a glanceTemperature18–22°C (64–72°F) BiologyAdults are benthic species which occur inshore. Eggs are guarded by the male parent.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParaplesiops bleekeriFamilyPlesiopidae (Roundheads)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)EnvironmentMarine; reef-associated, usually 5 - 15 mClimateTemperateDistributionSouthwest Pacific: endemic to eastern Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More gobies, blennies & dottybacksYellowhead jawfishOpistognathus aurifronsFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasNorthern blue devilParaplesiops poweriBluegill longfinPlesiops corallicolaSee 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