Middling thread herring
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Clupeiformes
- family: Clupeidae
- genus: Opisthonema
- species: Opisthonema medirastre
Manzanillo
Colima- Santa Gertrudis Miramar
Oaxaca
Mexico
Montijo
Veraguas
Panama
Imperial Beach
California
United States
El Alto