1524 Ramnogaster arcuata (Jenyns, 1842) Clupeidae Herrings, shads, sardines, menhadens Clupeiformes Teleostei Jenyns's sprat Southwest Atlantic: southern Brazil (estuary of the Lagoa dos Patos) and Uruguay to at least Bahía Blanca, Argentina; some of the more southerly records (even to the Beagle Channel) must refer to <i>Sprattus fuegensis</i>. ISH 899-1974 1974 Ramnogaster arcuata