Flatiron herring
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Clupeiformes
- family: Clupeidae
- genus: Harengula
- species: Harengula thrissina
- Iquique
Tarapacá
Chile- Cabo San Lucas
- Loreto
Baja California Sur- Manzanillo
Colima- Acapulco
- Colonia Luces en el Mar
- Los Almendros
Guerrero- Guaymas
Sonora
Mexico