HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesWinterbottom's goby Winterbottom's goby (Trimma winterbottomi) Scientific name: Trimma winterbottomi Randall & Downing, 1994 The Winterbottom's goby (Trimma winterbottomi) is a marine fish of the family Gobiidae. Native range: Indian Ocean, Saudi Arabia to western Thailand. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 10-11; Anal spines: 1; Anal soft rays: 9 - 10. Diagnosis: This species has a frontal ridge behind the orbits that slopes steeply into a wide interorbital trench anteromedially, and into postorbital trenches laterally; posterior nasal opening adnate to eye; no elongate dorsal spines; second dorsal with 10 or more elements; fifth pectoral ray with two sequential branches (occasionally one dichotomous branch); 18 or more pectoral rays; no scales on head; body color orange-red with four white bars on dorsum, and light orange blotches on white colored head and nape; dark triangular group of melanophores above opercle.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTrimma winterbottomiFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length3.0Depth range5–21 m (16–69 ft)EnvironmentMarine; reef-associated; depth range 5 - 21 mClimateTropicalDistributionIndian Ocean: Saudi Arabia to western Thailand.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