Q: In The Origin Diet, you recommend eating fatty fish for the healthy oils. Luckily, I love fish, but could you tell me what other fish besides salmon are in this category? How about catfish, one of my favorites?
– Zoe in Berkeley, California

A: Excellent sources of omega-3 fats (2 to 4 grams/3.5 ounce serving) include salmon, mackerel, lake trout, herring, bluefin tuna, sturgeon, sardines.
“OK” sources (0.4 to 0.9 grams/3.5 ounce serving) include halibut, striped bass, pollock, catfish, rainbow trout, carp, shrimp, crab, and lobster).
“Fair to Poor” sources (< 0.3 grams/3.5 ounce serving) include sole, flounder, perch, cod, grouper, haddock, red snapper, and clams). – Elizabeth Somer