HomeMarine aquarium fishGobies, blennies & dottybacksMolly miller Molly miller (Scartella cristata) Scientific name: Scartella cristata Linnaeus, 1758 The Molly miller (Scartella cristata) is a marine fish of the family Blenniidae. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 14-15; Anal spines: 2; Anal soft rays: 14 - 17. Resembles P. yatabei but easily distinguished by a median series of cirri on nape. A short supraorbital cirrus present. Dull green or olive with dark bars on body which extend into lower part of dorsal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameScartella cristataFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range0–10 m (0–33 ft)EnvironmentMarine; reef-associated; depth range 0 - 10 mClimateTropicalDistributionWestern Atlantic: Bermuda, Florida (USA), and northern Gulf of Mexico to Brazil. Eastern Atlantic: Mauritania and the Canary Islands to about M?we Bay, Namibia. Also known in the southern parts of Mediterranean, including the following most southern localities of the northern coast: Torremolinos and Taramay near Motril (Spain), Sicily, Kyra Island (Gulf of Aigina) and near Palaea Epidavros, Peloponnes (Greece). Northwest Pacific: Japan and Taiwan.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More gobies, blennies & dottybacksYellowhead jawfishOpistognathus aurifronsFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasSeaweed blennyParablennius marmoreusPearl blennyEntomacrodus nigricansSee 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