Best & Worst Types of Shellfish For Keto

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  • We've ranked 19 types of shellfish based on how they fit into a healthy keto diet.
  • Our keto rating system ranks foods based on ingredients, net carbs, and fat content.
  • Each food has a link to its own page with a more detailed recommendation and a net carb calculator.
1
Keto-Friendly

Generic

King Crab

per 100 g:
0g
net carbs
1.5g
fats
19.4g
protein
97
calories
0
Net Carbs per 100g
Low Carb
Minimally Processed
Whole Food
2
Keto-Friendly
per 100 g:
0g
net carbs
1.5g
fats
23.7g
protein
115
calories
0
Net Carbs per 100g
Low Carb
Minimally Processed
Whole Food
3
Keto-Friendly

Generic

Crayfish

per 100 g:
0g
net carbs
1.3g
fats
17.5g
protein
87
calories
0
Net Carbs per 100g
Low Carb
Minimally Processed
Whole Food
4
Keto-Friendly

Generic

Crawfish

per 85 g:
0g
net carbs
0.8g
fats
14g
protein
65
calories
0
Net Carbs per 100g
Low Carb
Minimally Processed
Whole Food
5
Keto-Friendly

Generic

Lobster

per 100 g:
0g
net carbs
0.9g
fats
19g
protein
89
calories
0
Net Carbs per 100g
Low Carb
Minimally Processed
Whole Food
6
Keto-Friendly

Generic

Blue Crab

per 100 g:
0g
net carbs
0.7g
fats
17.9g
protein
83
calories
0
Net Carbs per 100g
Low Carb
Minimally Processed
Whole Food
7
Keto-Friendly

Generic

Shrimp

per 100 g:
0.2g
net carbs
0.3g
fats
24g
protein
99
calories
0.2
Net Carbs per 100g
Low Carb
Minimally Processed
Whole Food
8
Keto-Friendly
per 100 g:
0.9g
net carbs
1.2g
fats
22.3g
protein
110
calories
0.9
Net Carbs per 100g
Low Carb
Minimally Processed
Whole Food
9
Keto-Friendly

Generic

Conch

per 100 g:
1.7g
net carbs
1.2g
fats
26.3g
protein
130
calories
1.7
Net Carbs per 100g
Low Carb
Minimally Processed
Whole Food
10
Keto-Friendly

Generic

Snail

per 100 g:
2g
net carbs
1.4g
fats
16.1g
protein
90
calories
2
Net Carbs per 100g
Low Carb
Minimally Processed
Whole Food
11
Keto-Friendly
per 100 g:
3.1g
net carbs
1.9g
fats
26.4g
protein
143
calories
3.1
Net Carbs per 100g
Low Carb
Minimally Processed
Whole Food
12
Keto in Moderation

Generic

Clam

per 100 g:
5.1g
net carbs
1.9g
fats
25.6g
protein
148
calories
5.1
Net Carbs per 100g
Moderate Carb
Minimally Processed
Whole Food
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