HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesHarlot pygmy goby Harlot pygmy goby (Trimma fucatum) Scientific name: Trimma fucatum Winterbottom & Southcott, 2007 The Harlot pygmy goby (Trimma fucatum) is a marine fish of the family Gobiidae. Native range: Eastern Indian Ocean, Andaman Sea, Phuket, Thailand. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 7-9; Anal spines: 1; Anal soft rays: 7 - 8. This species is distinguished by having predorsal scales; second and third dorsal spines not elongated; with interorbital and postorbital trenches; opercular scales 2; a single dichotomous branch in the fifth pelvic-fin ray; when alive has three or four rows of yellow to orange blotches along the body and a narrow red bar on the vertical limb of the preopercle.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTrimma fucatumFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length2.0Depth range0–23 m (0–75 ft)EnvironmentMarine; reef-associated; depth range 0 - 23 mClimateTropicalDistributionEastern Indian Ocean: Andaman Sea, Phuket, 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