Canthigaster cyanetron

{{Short description|Species of fish}}

{{Speciesbox

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| status = EN

| status_system = IUCN3.1

| status_ref = {{Cite journal | author = Shao, K. | author2 = Leis, J.L. | author3 = Hardy, G. | author4 = Jing, L. | author5 = Liu, M. | author6 = Sanciangco, J. | name-list-style = amp | title = Canthigaster cyanetron | journal = The IUCN Red List of Threatened Species | volume = 2014 | page = e.T193751A2271548 | date = 2014 | url = http://www.iucnredlist.org/details/193751/0 | doi = 10.2305/IUCN.UK.2014-3.RLTS.T193751A2271548.en | access-date = 9 January 2018| doi-access = free }}

| genus = Canthigaster

| species = cyanetron

| authority = (Randall & Cea Egaña, 1989)

}}

Canthigaster cyanetron (commonly referred to as the [https://www.inaturalist.org/taxa/445723-Canthigaster-cyanetron blue-belly toby]) is a species of pufferfish of the family Tetraodontidae. The species is endemic to Easter Island, and is an Endangered species due to coral reef bleaching of its habitat.