HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesPatch-reef goby Patch-reef goby (Coryphopterus tortugae) Scientific name: Coryphopterus tortugae Jordan, 1904 The Patch-reef goby (Coryphopterus tortugae) is a marine fish of the family Gobiidae. Native range: Western Central Atlantic, Puerto Rico, US Virgin Islands, Panama, and USA. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 9. This species is distinguished by the following set of characters: modal D VI, I,9; A I,9; pectoral fin rays 19; longitudinal scale series 26-27; pelvic fins are fully joined medially by a membrane, innermost rays branched and about equal in length to the next ray and a distinct frenum between the two pelvic fin spines; a prominent, dark, upward-pointed triangle-marking on the stripe behind the eye, collection of small melanophores on the lower third of the pectoral fin base absent; bar of melanophores from the eyeball at 8 o?clock to the mid-maxillary absent; 2 or 3 discrete spots along the dorsal midline on the top of the head between the interorbital and dorsal fin; usually an incomplete upper eye-stripe; and a basicaudal marking that is typically a simple vertical bar.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCoryphopterus tortugaeFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.1EnvironmentMarine; reef-associatedClimateTropicalDistributionWestern Central Atlantic: Puerto Rico, US Virgin Islands, Panama, and USA.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