Eureka elliptical to oblong, and sometimes egg shaped.  The blossom end or nipple is usually short and often surrounded by an indentation.  The medium thick rind has a corrugated texture and is often slightly ridged. The surface may also be finely pitted with sunken oil glands.  When mature the fruit is yellow with abundant juice, and about ten segments.  The seed count is a few to none.  In dessert locations the Eureka may have a rougher texture with a more prominent ribbed surface and smaller flatter nipples.