HomeMarine aquarium fishGobies, blennies & dottybacksColon goby Colon goby (Coryphopterus dicrus) Scientific name: Coryphopterus dicrus B?hlke & Robins, 1960 The Colon goby (Coryphopterus dicrus) is a marine fish of the family Gobiidae. Native range: Western Atlantic, southern Florida in USA and Bahamas to southeastern Brazil. BiologyDorsal spines (total): 6; Dorsal soft rays (total): 9-10; Anal spines: 1; Anal soft rays: 10; Vertebrae: 26. Pelvic frenum absent. Innermost pelvic-fin rays branched, connected to the ray of the opposite side by a basal membrane and smaller than immediately adjacent one (66 - 77% of its length). Elongate spine in the first dorsal fin absent. No spot above opercle. Two distinct dark spots, one above other, on pectoral fin base. With numerous small brown spots, the largest a series of 6 along lower side, and small pale blue-green flecks; horizontal dark lines on head, the most prominent posterior to eye; a vertical blackish line or two blackish spots at base of caudal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCoryphopterus dicrusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.0Depth range3–20 m (10–66 ft)EnvironmentMarine; reef-associated; depth range 3 - 20 mClimateSubtropicalDistributionWestern Atlantic: southern Florida in USA and Bahamas to southeastern Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: 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 midasPallid gobyCoryphopterus eidolonBridled gobyCoryphopterus glaucofraenumSee 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