''Chaenopsis deltarrhis'', the Delta pikeblenny, is a species of chaenopsid blenny found from

Costa Rica Costa Rica, officially the Republic of Costa Rica, is a country in Central America. It borders Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, and the Pacific Ocean to the southwest, as well as Maritime bo ...

Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

, in the eastern central

Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is bounded by the cont ...

ocean. It can reach a maximum length of TL. This species feeds primarily on

zooplankton Zooplankton are the heterotrophic component of the planktonic community (the " zoo-" prefix comes from ), having to consume other organisms to thrive. Plankton are aquatic organisms that are unable to swim effectively against currents. Consequent ...

References

* Böhlke, J. E. 1957 (26 July) ''A review of the blenny genus Chaenopsis, and the description of a related new genus from the Bahamas.'' Proceedings of the Academy of Natural Sciences of Philadelphia v. 109: 81-103, Pls. 5–6. deltarrhis Western Central American coastal fauna Fish of Costa Rica Fish of Panama Fish of Colombia Fish described in 1957 Taxa named by James Erwin Böhlke {{Chaenopsidae-stub