HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesTall-fin shrimp-goby Tall-fin shrimp-goby (Tomiyamichthys praealta) Scientific name: Tomiyamichthys praealta Lachner & McKinney, 1981 The Tall-fin shrimp-goby (Tomiyamichthys praealta) is a marine fish of the family Gobiidae. Native range: Western Indian Ocean, Seychelles and Maldives. BiologyTall first dorsal fin (considerable taller in males compared to females) and dark color.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTomiyamichthys praealtaFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.5Depth range20–40 m (66–131 ft)EnvironmentMarine; reef-associated; depth range 20 - 40 mClimateTropicalDistributionWestern Indian Ocean: Seychelles and Maldives.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