Low-Sodium Seafood Guide
27 items classified under standard Low-Sodium guidelines.
This guide covers all 27 seafood classified under Low-Sodium guidelines. Low-Sodium evaluates foods primarily by sodium content per serving, which determines how each item in this category is classified.
Quick Reference
| Food | Status | Sodium (per 100g) |
|---|---|---|
| Anchovies | Allowed | 3668mg |
| Calamari | Allowed | 377mg |
| Catfish | Allowed | 43mg |
| Clams | Allowed | 56mg |
| Cod | Allowed | 54mg |
| Crab | Allowed | 395mg |
| Halibut | Allowed | 68mg |
| Lobster | Allowed | 535mg |
| Mahi Mahi | Allowed | 88mg |
| Mussels | Allowed | 362mg |
| Oysters | Allowed | 85mg |
| Salmon | Allowed | 507mg |
| Sardines | Allowed | 307mg |
| Scallops | Allowed | 466mg |
| Sea Bass | Allowed | 68mg |
| Shrimp | Allowed | 571mg |
| Sushi | Allowed | 428mg |
| Swordfish | Allowed | 90mg |
| Tilapia | Allowed | 52mg |
| Trout | Allowed | 52mg |
| Tuna | Allowed | 372mg |
| Canned Salmon | Limited | 378mg |
| Canned Tuna | Limited | 219mg |
| Canned Tuna in Oil | Limited | 416mg |
| Canned Tuna in Water | Limited | 377mg |
| Smoked Salmon | Limited | 672mg |
| Fish Sticks | Not Allowed | 402mg |
Classification Breakdown
21 Allowed — These seafood are naturally low in sodium. 5 Limited — These items have sodium content that varies enormously by brand or preparation. 1 Not Allowed — These are high enough in sodium that a single serving uses a substantial fraction of a daily allowance.
About 70–75% of dietary sodium comes from packaged and restaurant food, not the salt shaker.
Allowed Seafood (21)
Anchovies
AllowedWith 3668mg sodium per 100g, Anchovies earns a Allowed classification on Low-Sodium. It is naturally low in sodium. Beyond the primary classification, anchovies also provides 28.9g protein and 9.7g fat per 100g. It ranks among the highest in this category for sodium. The nearest lower option is Smoked Salmon at 672mg.
Per 100g · Source: USDA FoodData Central
Calamari
AllowedAt 377mg sodium per 100g, Calamari falls into the Allowed category under Low-Sodium guidelines. The classification reflects that it is naturally low in sodium. Nutritionally, it also delivers 13.8g protein and 13.2g fat per serving. Within this category, it falls between Tuna and Canned Tuna in Water for sodium, ranking 15 of 27.
Per 100g · Source: USDA FoodData Central
Catfish
AllowedCatfish is classified as Allowed on Low-Sodium, with 43mg sodium per 100g. This means it is naturally low in sodium. It also contains 16.4g protein, which may factor into overall meal planning. Among the 27 items in this category, catfish sits at the low end for sodium — next closest is Tilapia at 52mg.
Per 100g · Source: USDA FoodData Central
Clams
AllowedClams is classified as Allowed on Low-Sodium, with 56mg sodium per 100g. This means it is naturally low in sodium. It also contains 14.7g protein, which may factor into overall meal planning. Among the 27 items in this category, clams sits at the low end for sodium — next closest is Halibut at 68mg.
Per 100g · Source: USDA FoodData Central
Cod
AllowedAt 54mg sodium per 100g, Cod falls into the Allowed category under Low-Sodium guidelines. It is naturally low in sodium. Beyond the primary classification, cod also provides 17.8g protein per 100g. Among the 27 items in this category, cod sits at the low end for sodium — next closest is Clams at 56mg.
Per 100g · Source: USDA FoodData Central
| Variant | Calories | Protein | Fat | Carbs | Sodium |
|---|---|---|---|---|---|
| Atlantic (raw) | 82kcal | 17.8g | 0.7g | 0g | 54mg |
| Pacific (raw) | 84kcal | 20.4g | 0.3g | 0g | 134mg |
Crab
AllowedWith 395mg sodium per 100g, Crab earns a Allowed classification on Low-Sodium. This means it is naturally low in sodium. It also contains 17.9g protein, which may factor into overall meal planning. Within this category, it falls between Canned Salmon and Fish Sticks for sodium, ranking 18 of 27.
Per 100g · Source: USDA FoodData Central
Halibut
AllowedAt 68mg sodium per 100g, Halibut falls into the Allowed category under Low-Sodium guidelines. The classification reflects that it is naturally low in sodium. Nutritionally, it also delivers 18.6g protein per serving. Among the 27 items in this category, halibut sits at the low end for sodium — next closest is Sea Bass at 68mg.
Per 100g · Source: USDA FoodData Central
Lobster
AllowedLobster is classified as Allowed on Low-Sodium, with 535mg sodium per 100g. This means it is naturally low in sodium. It also contains 20.9g protein, which may factor into overall meal planning. It ranks among the highest in this category for sodium. The nearest lower option is Salmon at 507mg.
Per 100g · Source: USDA FoodData Central
Mahi Mahi
AllowedMahi Mahi is classified as Allowed on Low-Sodium, with 88mg sodium per 100g. The classification reflects that it is naturally low in sodium. Nutritionally, it also delivers 18.5g protein per serving. Within this category, it falls between Oysters and Swordfish for sodium, ranking 9 of 27.
Per 100g · Source: USDA FoodData Central
Mussels
AllowedWith 362mg sodium per 100g, Mussels earns a Allowed classification on Low-Sodium. It is naturally low in sodium. Beyond the primary classification, mussels also provides 15.1g protein per 100g. Within this category, it falls between Sardines and Tuna for sodium, ranking 13 of 27.
Per 100g · Source: USDA FoodData Central
Oysters
AllowedAt 85mg sodium per 100g, Oysters falls into the Allowed category under Low-Sodium guidelines. It is naturally low in sodium. Beyond the primary classification, oysters also provides 5.7g protein per 100g. Within this category, it falls between Sea Bass and Mahi Mahi for sodium, ranking 8 of 27.
Per 100g · Source: USDA FoodData Central
Salmon
AllowedWith 507mg sodium per 100g, Salmon earns a Allowed classification on Low-Sodium. This means it is naturally low in sodium. It also contains 10.8g protein and 17.4g fat, which may factor into overall meal planning. It ranks among the highest in this category for sodium. The nearest lower option is Scallops at 466mg.
Per 100g · Source: USDA FoodData Central
| Variant | Calories | Protein | Fat | Carbs | Sodium |
|---|---|---|---|---|---|
| Atlantic (raw) | 142kcal | 19.8g | 6.3g | 0g | 44mg |
| Atlantic (farmed, raw) | 208kcal | 20.4g | 13.4g | 0g | 59mg |
Sardines
AllowedWith 307mg sodium per 100g, Sardines earns a Allowed classification on Low-Sodium. This means it is naturally low in sodium. It also contains 24.6g protein and 11.5g fat, which may factor into overall meal planning. Within this category, it falls between Canned Tuna and Mussels for sodium, ranking 12 of 27.
Per 100g · Source: USDA FoodData Central
Scallops
AllowedAt 466mg sodium per 100g, Scallops falls into the Allowed category under Low-Sodium guidelines. It is naturally low in sodium. Beyond the primary classification, scallops also provides 11.1g protein and 12.5g fat per 100g. It ranks among the highest in this category for sodium. The nearest lower option is Sushi at 428mg.
Per 100g · Source: USDA FoodData Central
Sea Bass
AllowedSea Bass is classified as Allowed on Low-Sodium, with 68mg sodium per 100g. The classification reflects that it is naturally low in sodium. Nutritionally, it also delivers 18.4g protein per serving. Within this category, it falls between Halibut and Oysters for sodium, ranking 7 of 27.
Per 100g · Source: USDA FoodData Central
Shrimp
AllowedAt 571mg sodium per 100g, Shrimp falls into the Allowed category under Low-Sodium guidelines. It is naturally low in sodium. Beyond the primary classification, shrimp also provides 7.1g protein and 17.9g fat per 100g. It ranks among the highest in this category for sodium. The nearest lower option is Lobster at 535mg.
Per 100g · Source: USDA FoodData Central
| Variant | Calories | Protein | Fat | Carbs | Sodium |
|---|---|---|---|---|---|
| Raw | 100kcal | 20.4g | 1.4g | 0g | 870mg |
| Cooked | 87kcal | 17.5g | 1.3g | 0g | 97mg |
Sushi
AllowedAt 428mg sodium per 100g, Sushi falls into the Allowed category under Low-Sodium guidelines. This means it is naturally low in sodium. It ranks among the highest in this category for sodium. The nearest lower option is Canned Tuna in Oil at 416mg.
Per 100g · Source: USDA FoodData Central
Swordfish
AllowedSwordfish is classified as Allowed on Low-Sodium, with 90mg sodium per 100g. The classification reflects that it is naturally low in sodium. Nutritionally, it also delivers 19.7g protein per serving. Within this category, it falls between Mahi Mahi and Canned Tuna for sodium, ranking 10 of 27.
Per 100g · Source: USDA FoodData Central
Tilapia
AllowedTilapia is classified as Allowed on Low-Sodium, with 52mg sodium per 100g. The classification reflects that it is naturally low in sodium. Nutritionally, it also delivers 20.1g protein per serving. Among the 27 items in this category, tilapia sits at the low end for sodium — next closest is Trout at 52mg.
Per 100g · Source: USDA FoodData Central
Trout
AllowedTrout is classified as Allowed on Low-Sodium, with 52mg sodium per 100g. This means it is naturally low in sodium. It also contains 20.8g protein and 6.6g fat, which may factor into overall meal planning. Among the 27 items in this category, trout sits at the low end for sodium — next closest is Cod at 54mg.
Per 100g · Source: USDA FoodData Central
Tuna
AllowedTuna is classified as Allowed on Low-Sodium, with 372mg sodium per 100g. This means it is naturally low in sodium. It also contains 15.3g protein and 14.9g fat, which may factor into overall meal planning. Within this category, it falls between Mussels and Calamari for sodium, ranking 14 of 27.
Per 100g · Source: USDA FoodData Central
| Variant | Calories | Protein | Fat | Carbs | Sodium |
|---|---|---|---|---|---|
| Fresh (raw) | 144kcal | 23.3g | 4.9g | 0g | 39mg |
| Canned in Water | 90kcal | 19g | 0.9g | 0.1g | 219mg |
| Canned in Oil | 198kcal | 29.1g | 8.2g | 0g | 416mg |
Limited Seafood (5)
Canned Salmon
LimitedWith 378mg sodium per 100g, Canned Salmon earns a Limited classification on Low-Sodium. This means it is sodium content that varies enormously by brand or preparation. It also contains 24.6g protein, which may factor into overall meal planning. Within this category, it falls between Canned Tuna in Water and Crab for sodium, ranking 17 of 27. Portion control is key here — a small amount may fit within the diet's parameters, while a full serving may not.
Per 100g · Source: USDA FoodData Central
Canned Tuna
LimitedWith 219mg sodium per 100g, Canned Tuna earns a Limited classification on Low-Sodium. This means it is sodium content that varies enormously by brand or preparation. It also contains 19g protein, which may factor into overall meal planning. Within this category, it falls between Swordfish and Sardines for sodium, ranking 11 of 27. Check the label carefully: the same product can be compliant or not depending on the specific brand or how it was prepared.
Per 100g · Source: USDA FoodData Central
Canned Tuna in Oil
LimitedCanned Tuna in Oil is classified as Limited on Low-Sodium, with 416mg sodium per 100g. This means it is sodium content that varies enormously by brand or preparation. It also contains 29.1g protein and 8.2g fat, which may factor into overall meal planning. Within this category, it falls between Fish Sticks and Sushi for sodium, ranking 20 of 27. The "Limited" label means the classification depends on specific conditions — portion size, brand formulation, or preparation method can shift it from compliant to non-compliant.
Per 100g · Source: USDA FoodData Central
Canned Tuna in Water
LimitedAt 377mg sodium per 100g, Canned Tuna in Water falls into the Limited category under Low-Sodium guidelines. The classification reflects that it is sodium content that varies enormously by brand or preparation. Nutritionally, it also delivers 23.6g protein per serving. Within this category, it falls between Calamari and Canned Salmon for sodium, ranking 16 of 27. The "Limited" label means the classification depends on specific conditions — portion size, brand formulation, or preparation method can shift it from compliant to non-compliant.
Per 100g · Source: USDA FoodData Central
Smoked Salmon
LimitedWith 672mg sodium per 100g, Smoked Salmon earns a Limited classification on Low-Sodium. It is sodium content that varies enormously by brand or preparation. Beyond the primary classification, smoked salmon also provides 18.3g protein per 100g. It ranks among the highest in this category for sodium. The nearest lower option is Shrimp at 571mg. Portion control is key here — a small amount may fit within the diet's parameters, while a full serving may not.
Per 100g · Source: USDA FoodData Central
Not Allowed Seafood (1)
Fish Sticks
Not AllowedAt 402mg sodium per 100g, Fish Sticks falls into the Not Allowed category under Low-Sodium guidelines. It is high enough in sodium that a single serving uses a substantial fraction of a daily allowance. Beyond the primary classification, fish sticks also provides 11g protein and 16.2g fat per 100g. Within this category, it falls between Crab and Canned Tuna in Oil for sodium, ranking 19 of 27.
Per 100g · Source: USDA FoodData Central