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When can babies eat shellfish (shrimp, crab, clams)?

Updated 2026-08-07 · Source: CDC + AAP + FDA/EPA · Free · No sign-up

Yes, from about 6 months, once your baby has started solids — served in the right form for their age.
Emergency? Call 911 now if your baby is choking and cannot cry or cough, is struggling to breathe, or has swelling of the face, lips or tongue, or widespread hives after eating. Do not wait to see whether it settles. This tool is a reference, not medical advice.

Shellfish (shrimp, crab, clams) by age

AgeCan they have it?How to serve it
4 monthsWaitNot yet — see above.
6 monthsYesCooked through, shell removed, pureed or finely ground and completely smooth.
9 monthsYesCooked through and finely chopped — shellfish is firm, so chop it small.
12 monthsYesCooked, finely chopped, pieces no larger than half an inch.
18 monthsYesCooked, finely chopped, pieces no larger than half an inch.
2 yearsYesCooked, finely chopped, pieces no larger than half an inch.

Ages are the usual introduction age from the source, not a target. Readiness matters more than the calendar — and a baby who hasn't started solids isn't ready for any of these foods yet.

How to serve shellfish (shrimp, crab, clams) to a baby

Cut food for infants and young children into pieces no larger than one-half inch. Cut cylindrical foods (hot dogs, sausage, string cheese) into short thin strips — round pieces can get stuck in the airway. Cut small spherical foods (grapes, cherries, berries, tomatoes) into small pieces. Cook hard vegetables and fruit until they mash easily. Remove seeds, hard pits, skin and bones.

Is shellfish (shrimp, crab, clams) a choking hazard?

Shellfish (shrimp, crab, clams) is not on the AAP or CDC choking-hazard lists. That is not the same as no risk: any food can choke a baby if the piece is too big or the wrong shape. Cut it to no larger than half an inch, keep your baby sitting up in a high chair, keep mealtimes calm, and watch them the whole time they are eating.

Allergies and shellfish (shrimp, crab, clams)

Shellfish (shrimp, crab, clams) is one of the common allergens (shellfish). The current AAP guidance is to introduce it EARLY rather than delay it: newer research found no benefit to waiting, and for peanut, waiting can increase the chance of an allergy. Offer a small amount in an infant-safe form, watch for a reaction, and then keep it in the diet regularly. If your baby has severe or persistent eczema, or has already had an immediate allergic reaction to a food, especially egg, talk to your pediatrician first about how and when to introduce it.

Watch for diarrhea, rash, vomiting or hives after a new food. Call 911 for trouble breathing or swelling of the face, lips or tongue.

Worth knowing

Shellfish is one of the potentially allergenic foods the CDC says to introduce when you introduce other foods. Shrimp, crab, clams, oysters, scallops and lobster are all on the FDA/EPA 'Best Choices' list for mercury.

Where this comes from

Reviewed 2026-08-07 · confidence: high. This source names shellfish (shrimp, crab, clams) directly.

This page is general guidance from the AAP and CDC — not medical advice, and not a substitute for your pediatrician. General guidance from the AAP and CDC — not medical advice and not a substitute for your pediatrician. Every baby is different. Introduce one new food at a time and wait 3 to 5 days before the next one so you can spot a reaction. Some foods are choking hazards; learn infant CPR. Call 911 for trouble breathing, swelling of the face, lips or tongue, or a baby who cannot cry or cough.

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FAQ

When can babies eat shellfish (shrimp, crab, clams)?

Yes, from about 6 months, once your baby has started solids — served in the right form for their age. Shellfish is one of the potentially allergenic foods the CDC says to introduce when you introduce other foods. Shrimp, crab, clams, oysters, scallops and lobster are all on the FDA/EPA 'Best Choices' list for mercury.

How do I serve shellfish (shrimp, crab, clams) to a baby?

From 6 months: Cooked through, shell removed, pureed or finely ground and completely smooth. From 9 months: Cooked through and finely chopped — shellfish is firm, so chop it small. From 12 months: Cooked, finely chopped, pieces no larger than half an inch. Cut food for infants and young children into pieces no larger than one-half inch. Cut cylindrical foods (hot dogs, sausage, string cheese) into short thin strips — round pieces can get stuck in the airway. Cut small spherical foods (grapes, cherries, berries, tomatoes) into small pieces. Cook hard vegetables and fruit until they mash easily. Remove seeds, hard pits, skin and bones.

Is shellfish (shrimp, crab, clams) a choking hazard for babies?

Shellfish (shrimp, crab, clams) is not on the AAP or CDC choking-hazard lists, but any food can choke a baby if the piece is too big. Cut it to no larger than half an inch, keep your baby sitting up while they eat, and watch them the whole time.

What should I watch for after giving my baby a new food?

Watch for diarrhea, rash, vomiting or hives after a new food. Call 911 for trouble breathing or swelling of the face, lips or tongue. Offer one single-ingredient new food at a time and wait 3 to 5 days before the next one, so a reaction is easy to trace. Call 911 for trouble breathing or swelling of the face, lips or tongue.

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