| Ecological Descriptors
The species in the genus Eucinostomus are extremely similar and can be difficult to distinguish visually (Flagfin/ Spotfin/ Mottled, Silver Jenny etc).
Bright silver body, sometimes displaying dusky bars or mottling on back. However, the Mottled Mojarra usually has a distinguishing dark rectangular spot on central upper iris compared to the others. Foredorsal fin sometimes dusky and/ or darkish borders/ tip. Only Mojarra with 2 anal spines (others have 3).
Inhabit shallow sandy shorelines (to 7m/ 20ft), occasionally tidal bays. Adults prefer sandy, high energy shores and inlets, but young are more widespread. Hover just below surf line. It feeds on polychaetes, copepods, barnacles and insects
(C) Louis Johnson