HomeFish encyclopediaRay-finned fishesPerch-like fishLabrisomidsFoureye rockskipper Foureye rockskipper (Dialommus macrocephalus) Scientific name: Dialommus macrocephalus G?nther, 1861 The Foureye rockskipper (Dialommus macrocephalus) is a marine fish of the family Labrisomidae. Native range: Eastern Central Pacific, Baja California, Mexico to Colombia. BiologyIntertidal, actively shuttling back and forth between rock pools and air. Feeds on invertebrates. Breathes air and can remain out of water for 1.5-4 hours if kept moist.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDialommus macrocephalusFamilyLabrisomidae (Labrisomids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length11.0EnvironmentMarine; demersalClimateTropicalDistributionEastern Central Pacific: Baja California, Mexico to Colombia.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