HomeFish encyclopediaRay-finned fishesPerch-like fishPike-, tube- and flagblenniesDelta pikeblenny Delta pikeblenny (Chaenopsis deltarrhis) Scientific name: Chaenopsis deltarrhis B?hlke, 1957 The Delta pikeblenny (Chaenopsis deltarrhis) is a marine fish of the family Chaenopsidae. Native range: Eastern Central Pacific, Costa Rica to Colombia. BiologyInhabits worm tubes on sand-rubble bottoms. Feeds on zooplankton. Minimum depth from.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChaenopsis deltarrhisFamilyChaenopsidae (Pike-, tube- and flagblennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.5Depth range4–30 m (13–98 ft)EnvironmentMarine; demersal; depth range 4 - 30 mClimateTropicalDistributionEastern Central Pacific: Costa Rica to Colombia.Conservation status (IUCN)Data deficient (DD)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