HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesGrotto goby Grotto goby (Speleogobius trigloides) Scientific name: Speleogobius trigloides Zander & Jelinek, 1976 The Grotto goby (Speleogobius trigloides) is a marine fish of the family Gobiidae. Species factsScientific nameSpeleogobius trigloidesFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length1.8Depth range8–25 m (26–82 ft)EnvironmentMarine; demersal; depth range 8 - 25 mClimateSubtropicalDistributionMediterranean Sea: known from the holotype collected in the Grotto of Banjole, near Rovinj, Croatia. No further published records, but now known also from Adriatic islands of Krk, Prvic, and Hvar.Conservation status (IUCN)Not EvaluatedThreat 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