HomeMarine aquarium fishGobies, blennies & dottybacksPanamic frillfin Panamic frillfin (Bathygobius ramosus) Scientific name: Bathygobius ramosus Ginsburg, 1947 The Panamic frillfin (Bathygobius ramosus) is a marine fish of the family Gobiidae. Native range: Eastern Pacific, Bah?a Magdalena and the Gulf of California in Mexico to northern Peru. BiologyBody small; tip of tongue bifurcated; two dorsal fins, the first with 7 flexible spines; scales large and readily visible; tips of uppermost 3 to 5 pectoral rays free; body olive green to brown; flanks with dark spots and/or diffuse.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBathygobius ramosusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Common length12.0EnvironmentMarine; reef-associatedClimateTropicalDistributionEastern Pacific: Bah?a Magdalena and the Gulf of California in Mexico to northern Peru.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More gobies, blennies & dottybacksPersian blennyEcsenius midasYellow prawn-gobyCryptocentrus cinctusFire gobyNemateleotris magnificaYellowhead jawfishOpistognathus aurifronsBarnaclebill blennyHypsoblennius brevipinnisFingered dragonetDactylopus dactylopusSee 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