HomeFish encyclopediaRay-finned fishesPerch-like fishSand stargazersHalf-banded stargazer Half-banded stargazer (Gillellus semicinctus) Scientific name: Gillellus semicinctus Gilbert, 1890 The Half-banded stargazer (Gillellus semicinctus) is a marine fish of the family Dactyloscopidae. Native range: Eastern Central Pacific, Gulf of California to Colombia, including the Galapagos and other offshore islands. BiologyInhabits sandy bottoms. Feeds on small fishes and invertebrates. Minimum depth reported from.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGillellus semicinctusFamilyDactyloscopidae (Sand stargazers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.2Depth range5–140 m (16–459 ft)EnvironmentMarine; demersal; depth range 5 - 140 mClimateTropicalDistributionEastern Central Pacific: Gulf of California to Colombia, including the Galapagos and other offshore islands.Conservation status (IUCN)Least Concern (LC)Threat 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