| Ecological Descriptors
The species in the genus Eucinostomus are extremely similar and can be difficult to distinguish visually.
Bright silver body, sometimes displaying dusky nars or mottling on back. Dusky round/ rectangular spot on central upper iris. Foredorsal fin sometimes dusky and/ or darkish borders. 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