Malvoliophis

{{Short description|Species of fish}}

{{Speciesbox

| image =

| image_caption =

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=McCosker, J. |author-link=John E. McCosker |author2=Tighe, K. |name-list-style=& |author3=Smith, D.G. |year=2022 |title=Malvoliophis pinguis |page=e.T199303A2580457 |doi=10.2305/IUCN.UK.2022-2.RLTS.T199303A2580457.en |access-date=13 November 2024}}

| parent_authority = Whitley, 1934

| display_parents = 3

| taxon = Malvoliophis pinguis

| authority = (Günther, 1872)

| synonyms = {{Specieslist

| Ophichthys pinguis | Günther, 1872

| Bascanichthys hemizona | Ogilby, 1897

}}

| synonyms_ref = {{FishBase|Malvoliophis|pinguis|month=June|year=2024}}

}}

Malvoliophis pinguis, or the halfband snake-eel, is a species of eel in the family Ophichthidae. It is the only member of its genus. It is found in the western Pacific Ocean in the vicinity of Australia and Lord Howe Island.