Every 100 kcal of spanish mackerel brings 14.9 g of protein. On that measure it ranks 73rd of the 121 seafood in this database and 140th of all 796 foods on the site. Measured by weight instead, its 23.6 g per 100 g ranks 56th in its group.
About 60% of the calories in spanish mackerel come from protein, which makes it extremely protein-dense - close to the practical ceiling for a whole food. Foods in this band are the ones that let you raise your protein intake without raising your calorie intake much at all.
Weight for weight, spanish mackerel has 3.7 g of protein for each gram of fat (23.6 g against 6.32 g per 100 g).
Set against canned clams, another seafood entry in the database, a serving carries about 0.5 g less protein (canned clams has 20.6 g per 3 oz drained).
It is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own. The serving quoted here is measured by weight at 85 g, and it covers about 40% of the 50 g FDA Daily Value for protein.
Serving sizes
Protein in common portions of spanish mackerel
Protein and calories in Spanish mackerel for 100 g, the site serving and USDA household portions.
Portion
Weight
Protein
Calories
100 g
100 g
23.6 g
158 kcal
3 oz cooked (serving used here)
85 g
20.1 g
134 kcal
1 fillet
146 g
34.5 g
231 kcal
Portion weights are the household measures listed on the USDA record; protein and calories scale from the per-100 g figures.
Amino acids
Essential amino acids in spanish mackerel
The nine essential amino acids in Spanish mackerel, per 100 g, per serving and per gram of protein.
Amino acid
Per 100 g
Per serving
mg per g protein
leucine
1.92 g
1.63 g
81
lysine
2.17 g
1.84 g
92
valine
1.22 g
1.04 g
52
isoleucine
1.09 g
0.93 g
46
threonine
1.03 g
0.88 g
44
phenylalanine
0.921 g
0.78 g
39
methionine
0.698 g
0.59 g
30
histidine
0.694 g
0.59 g
29
tryptophan
0.264 g
0.22 g
11
Per-100 g values are the amino acid analysis on the USDA record. The serving and per-gram-of-protein columns are arithmetic on those values; they are not a protein quality score.
SampleWhat goal trends look like after a week
109 g
Average per logged day
4 of 7
Days goal met
71%
Complete-protein share
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Sample figures for one made-up week against a 110 g goal, not your data. Red bars met the goal. Your own log fills this in with Premium.
23.6 g. The 3 oz cooked serving used on this page weighs 85 g and so carries 20.1 g.
How much protein do you get per 100 calories of spanish mackerel?
14.9 g. That figure divides its 23.6 g of protein per 100 g by its 158 kcal per 100 g, so it does not depend on serving size.
Is the protein in spanish mackerel complete?
Yes. The protein in spanish mackerel supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own.
What share of the protein Daily Value is one serving of spanish mackerel?
About 40%. One 3 oz cooked serving has 20.1 g, and the FDA Daily Value for protein is 50 g.
Figures from USDA FoodData Central record #173674 (Fish, mackerel, spanish, cooked, dry heat), SR Legacy data. USDA data is in the public domain. Values are the published reference figures for that record, not lab measurements for a specific brand or batch.