HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesRoundscale goby Roundscale goby (Microgobius cyclolepis) Scientific name: Microgobius cyclolepis Gilbert, 1890 The Roundscale goby (Microgobius cyclolepis) is a marine fish of the family Gobiidae. Native range: Eastern Central Pacific, Baja California, Mexico to Panama. Species factsScientific nameMicrogobius cyclolepisFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.5Depth range10–35 m (33–115 ft)EnvironmentMarine; demersal; depth range 10 - 35 mClimateTropicalDistributionEastern Central Pacific: Baja California, Mexico to Panama.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026