Notacanthus

{{Short description|Genus of fishes}}

{{Automatic taxobox

| image = Notacanthus chemnitzii.jpg

| image_upright= 1.1

| image_caption = Snubnosed spiny eel, Notacanthus chemnitzii.

| taxon = Notacanthus

| authority = Bloch, 1788

| type_species = Notacanthus chemnitzii

| type_species_authority = Bloch 1788

| synonyms =

• Campylodon Fabricius 1793
• Acanthonotus Bloch & Schneider 1801
• Helorus Goode 1880 (Preocc.)
• Gigliolia Goode & Bean 1895 (Preocc.)
• Tiluropsis Roule 1911

| synonyms_ref = {{cite journal |last1=Van Der Laan |first1=Richard |last2=Eschmeyer |first2=William N. |last3=Fricke |first3=Ronald |title=Family-group names of Recent fishes |journal=Zootaxa |date=11 November 2014 |volume=3882 |issue=1 |pages=1–230 |doi=10.11646/zootaxa.3882.1.1 |pmid=25543675 |doi-access=free |url=https://mapress.com/zt/article/download/zootaxa.3882.1.1/33563 }}{{cite journal | website=Collection of genus-group names in a systematic arrangement | title=Part 7- Vertebrates | url=http://mave.tweakdsl.nl/tn/genera7.html | display-authors=etal | access-date=30 June 2016 | archive-url=https://web.archive.org/web/20161005114629/http://mave.tweakdsl.nl/tn/genera7.html | archive-date=5 October 2016 | url-status=dead }}

}}

Notacanthus is a genus of spiny eels in the family Notacanthidae.