HomeFish encyclopediaRay-finned fishesPerch-like fishDottybacksRooster snakelet Rooster snakelet (Halidesmus coccus) Scientific name: Halidesmus coccus Winterbottom & Randall, 1994 The Rooster snakelet (Halidesmus coccus) is a marine fish of the family Pseudochromidae. Native range: Western Indian Ocean, Oman. BiologyDorsal spines (total): 1; Dorsal soft rays (total): 64-68; Anal spines: 0; Anal soft rays: 52 - 55; Vertebrae: 69 - 73Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHalidesmus coccusFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.9Depth range0–2 m (0–7 ft)EnvironmentMarine; demersal; depth range 0 - 2 mClimateTropicalDistributionWestern Indian Ocean: Oman.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