Ethmidium

{{Short description|Species of fish}}

{{Speciesbox

| image = Ethmidium maculatum.jpg

| status = DD

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Di Dario, F. |name-list-style=amp |year=2020 |title=Ethmidium maculatum |page=e.T183709A102895124|url=https://www.iucnredlist.org/species/183709/102895124 |access-date=20 November 2021}}

| taxon = Ethmidium maculatum

| parent_authority = W. F. Thompson, 1916

| authority = (Valenciennes, 1847)

| synonyms = {{Specieslist

| Alausa maculata | Valenciennes, 1847

| Brevoortia maculata | (Valenciennes, 1847)

| Clupea maculata | (Valenciennes, 1847)

| Alausa coerulea | Valenciennes, 1847

| Clupea notacanthus | Günther, 1868

| Clupea notacanthoides | Steindachner, 1869

| Ethmidium chilcae | Hildebrand, 1946

| Brevoortia maculata chilcae | (Hildebrand, 1946)

}}

|synonyms_ref = {{FishBase|Ethmidium|maculatum|month=June|year=2024}}

}}

Ethmidium is a monospecific genus of marine ray-finned fish belonging to the family Clupeidae, the herrings and sprats. The only species in the genus is Ethmidium maculatum, the Pacific menhaden, a species found along the Pacific coast of South America off Peru and Chile.