How much Omega 3 is in the fish oil containing products?

Here you can find a list of omega 3 (EPA and DHA) content of different fish oil containing products. The Fish oil omega 3 contet of different fishes can be different.
The 3 value are the following:
1. Name of food
2. Average serving (g)
3. Totel EPA and DHA per serving (g)

Kippers 130; 3.37
Mackerel 160; 3.09
Pilchards (canned in tomato sauce) 110; 2.86
Trout 230; 2.65
Salmon (fresh) 100; 2.2
Sardines (canned in tomato sauce) 100; 1.67
Herring 119; 1.56
Salmon (canned in brine, drained) 100; 1.55
Crab (canned) 85; 0.85
Plaice 130; 0.39
Tuna, fresh 120; 0.3–1.5
Cod 120; 0.30
Mussels 40; 0.24
Haddock 120; 0.19
Tuna (canned in oil, drained) 45; 0.17
Tuna (canned in brine, drained) 45; 0.08
Prawns 60; 0.06
Cod liver oil liquid 10 ml; 1.5–3.0
Cod liver oil capsules Varies; 0.1–0.4
Fish oil capsules Varies; 0.1–0.4

So you can see thet differet fishes fish oil Omega 3 content is quite different.