Is fish keto?
fish is keto: it has ~0 g of net carbs per 1 fillet, within the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
0 g
per 1 fillet
These are the carbs that count on keto: total carbs minus fiber.
Fish contains zero net carbs per serving and is an excellent source of protein and healthy fats.
Nutrition facts for fish
11 g
Fat
24.8 g
Protein
0 g
Fiber
How many carbs are in fish?
fish has ~0 g of carbs and ~0 g of net carbs per 1 fillet (total carbs minus 0 g of fiber).
Why fish is keto?
On keto the goal is to stay under ~5 g of net carbs per serving; fish has 0 g per 1 fillet (0 g total − 0 g of fiber).
Related
Yes
Mussel
3 g net
/ 3 ounces (approx. 6-8 medium mussels)
Yes
Anchovy
0 g net
/ 2 oz
Yes
Swordfish
0 g net
/ 1 fillet
Yes
Shrimp
0 g net
/ 3 ounces
Yes
Trout
0 g net
/ 1 fillet
Yes
Hake
0 g net
/ 1 fillet
See all: Keto seafood
Source: nutritional estimate (USDA-style reference) · Confidence: high
Reviewed by the Ketorai team · Last updated: August 23, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Reviewed by the Ketorai team · Last updated: August 23, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Something off? Let us know.
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