Ruanoho

{{Short description|Genus of fishes}}

{{Use New Zealand English|date=July 2024}}

{{Automatic taxobox

| image = Ruanoho decemdigitatus 115078149.jpg

| image_caption = Ruanoho decemdigitatus

| taxon = Ruanoho

| authority = Hardy, 1986

| type_species = Trypterigium decemdigitatus

| type_species_authority = F.E. Clarke, 1879{{Cof record|genid=9898|title=Ruanho|access-date=29 May 2019}}

| synonyms =

}}

Ruanoho is a genus of triplefin blennies (family Tripterygiidae).{{FishBase genus|genus=Ruanoho|month=April|year=2019}} It is known from the southwestern Pacific Ocean off New Zealand. The generic name is a compound noun derived from the Māori rua meaning either "fish" or "hole" and noho meaning to "dwell" which refers to the habit of the species in this genus to shelter under rocks or within crevices.{{cite web | url = http://www.etyfish.org/blenniiformes1/ | title = Order BLENNIIFORMES: Families TRIPTERYGIIDAE and DACTYLOSCOPIDAE | work = The ETYFish Project Fish Name Etymology Database | author1 = Christopher Scharpf | author2 = Kenneth J. Lazara | publisher = Christopher Scharpf and Kenneth J. Lazara | accessdate = 29 May 2019 | date = 29 January 2019}}