Monacoa niger

{{Short description|Species of fish}} {{Speciesbox | name = | image = Monacoa niger, holotype.png | image_caption = Holotype | status = | status_ref = | taxon = Monacoa niger | authority = J. Y. Poulsen, Sado, C. Hahn, Byrkjedal, Moku & Miya, 2016 | synonyms = }}

'''''Monacoa niger''''', also known as the '''black mirrorbelly''', is a species of fish in the family Opisthoproctidae. It is found in the eastern-central Pacific Ocean.<ref>Poulsen, J.Y., T. Sado, C. Hahn, I. Byrkjedal, M. Moku and M. Miya, 2016. Preservation obscures pelagic deep-sea fish diversity: doubling the number of sole-bearing opisthoproctids and resurrection of the genus Monacoa (Opisthoproctidae, Argentiniformes). PLOS ONE 11(8):1-23.</ref>

== Description == {{Expand section|Diagnostic characters of this species|date=April 2025|small=no}} This species reaches a length of {{convert|4.8|cm|in|abbr=on}}.<ref>{{FishBase | genus = Monacoa | species = niger| year = 2015 | month = 2}}</ref>

==References== {{Reflist}} {{taxonbar|from=Q27242240}}

Category:Opisthoproctidae Category:Fish of the Pacific Ocean Category:Taxa named by Jan Yde Poulsen Category:Taxa named by Ingvar Byrkjedal Category:Fish described in 2016