Opisthonema oglinum (Lesueur 1818) . Atlantic Thread Herring; Machuelo, Sardina Vivita de Hebra

Vouchers: Not available. Distribution: Western Atlantic Ocean; from Maine, USA, to southern Brazil; entering estuaries and littoral lagoons and ascending river courses; (Nicaragua) Es (Atlantic); 0–5 masl; Per, Dia, Amp. Occurrence and conservation status: Nat; LC (2015), population trend unknown. Literature: González-Alemán (2006: 65; brief description, including an illustration, and information on distribution and ecology) and Robertson & Van Tassell (2019: 2931; detailed description, including illustrations, and information on distribution, with a map, and ecology).