HomeFish encyclopediaRay-finned fishesPerch-like fishDottybacksSocotran snakelet Socotran snakelet (Halidesmus socotraensis) Scientific name: Halidesmus socotraensis Gill & Zajonz, 2003 The Socotran snakelet (Halidesmus socotraensis) is a marine fish of the family Pseudochromidae. Native range: Western Indian Ocean, Socotra Archipelago, Yemen. BiologyDorsal spines (total): 1; Dorsal soft rays (total): 58-61; Anal spines: 0; Anal soft rays: 45 - 48; Vertebrae: 63 - 66. Three lateral lines (dorsal, middle and ventral complexes); ventral lateral line branched on abdomen, with unpaired median section on ventral midline; and upper lateral line without anterodorsal branch on to nape.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHalidesmus socotraensisFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.0Depth range6–15 m (20–49 ft)EnvironmentMarine; reef-associated; depth range 6 - 15 mClimateTropicalDistributionWestern Indian Ocean: Socotra Archipelago, Yemen.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026