4017 Peristedion gracile Pegra_u1.jpg http://www.fishbase.org/images/species/Pegra_u1.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Pegra_u1.jpg JAMARC Pegra_u2.jpg http://www.fishbase.org/images/species/Pegra_u2.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Pegra_u2.jpg NOAA\NMFS\Mississippi Laboratory