pink/pacific skinless salmon file

why is pink salmon file so low in calories?

Nutrition
Fat 2.3 g/100 g
Energy value 97 kcal/100 g
Carbohydrates 0.0 g/100 g
Fibers 0.0 g/100 g
Sodium 0.23 g/100 g
Protein 19.0 g/100 g
Saturated fat 0.5 g/100 g


ingredients
Pacific Pink SALMON.


This is what it says on pack

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