HomeMarine aquarium fishOther marine fishConvict blenny Convict blenny (Pholidichthys leucotaenia) Scientific name: Pholidichthys leucotaenia Bleeker, 1856 The Convict blenny (Pholidichthys leucotaenia) is a marine fish of the family Pholidichthyidae. In the aquarium it needs water at 22–28°C (72–82°F). Native range: Western Central Pacific, Philippines south to the Solomon Islands. Absent from Australia. Convict blenny care at a glanceTemperature22–28°C (72–82°F) BiologyDorsal soft rays: 72-79; Anal soft rays: 54 - 62Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePholidichthys leucotaeniaFamilyPholidichthyidae (Convict blenny)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length34.0EnvironmentMarine; reef-associated, usually 10 - 20 mClimateTropicalDistributionWestern Central Pacific: Philippines south to the Solomon Islands. Absent from Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercial More other marine fishRed seabreamPagrus majorGolden trevallyGnathanodon speciosusOriental flying gurnardDactyloptena orientalisScupStenotomus chrysopsPacific sand solePsettichthys melanostictusC-O solePleuronichthys coenosusSee all other marine fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026