Foraging and metabolic consequences of semi-anadromy for an endangered estuarine fish
STN = Summer Townet, FMWT = Fall Midwater Trawl, SKT = Spring Kodiak Trawl. Grey represents stomach fullness of Delta Smelt sampled from freshwater (<0.55 psu) and black represents stomach fullness of Delta Smelt sampled from brackish habitat (≥0.55 psu). Mean differences between freshwater and brackish habitat were significant for each survey. Error bars are ±SE, n = 1,318.