The following chart contains a sampling of foods high in DHA and EPA (combined):

Omega-3 (EPA and DHA)

Food -------- g in 100-gram serving --------- g in normal-sized
serving
Sardine oil ------------ 20.79 ------------ 2.83 (1 tablespoon)
Cod liver oil ----------- 17.87 ------------ 2.43 (1 tablespoon)
Herring oil ----------- 10.48 ----------- 1.43 (1 tablespoon)
Salmon, Atlantic (farmed)*** 2.15 ---------- 3.89 (half fillet)
Mackerel, Pacific and jack*** 1.85 ---------- 3.25 (1 fillet)
Pickled herring------------ 1.39 ---------------- .42 (2 pieces)
Salmon, chinook*** -----1.74 --------------- 2.68 (half fillet)
Salmon, pink*** -------- 1.28 ------------- 1.6 (half fillet)
Mackerel, Atlantic*** ------1.20 ------------ 1.07 (1 fillet)
Rainbow trout (farmed)*** 1.15 ------------ .82 (1 fillet)
Bluefish*** ----------------- .99 --------------- 1.16 (1 fillet)
Sardines, canned in oil ---.98 -------------- .90 (1 can, 92 g)
White tuna, canned in water .86 ------------ .73 (3 oz, 85 g)
***cooked with dry heat


For more information see:
http://www.allaboutvision.com/nutrition/indexpage2.htm