No. 92 · Protein Passport food
When can babies have crab?
Can babies have crab?
Babies can have crab from about 6 months, once they are ready for solids, as long as it is fully cooked, free of shell and served in a safe texture. Crab is a shellfish, one of the Top 9 allergens, so offer it on its own the first time and then keep it in the diet regularly.
How to serve crab by age
Shapes and textures change as your baby’s grasp and chewing grow.
6 months
Steam or boil crab until the meat is opaque and flakes easily, then pick through it twice for shell and cartilage. Blend or mash the meat very finely into a smooth food like mashed potato, avocado or vegetable puree and offer it on a spoon, with no added salt, butter sauces or spice blends.
7–8 months
Shred cooked, shell-free crab meat finely and stir it into lumpier foods like fork-mashed potato, avocado or soft rice. You can also shape it into small soft crab cakes bound with egg that break apart easily between your fingers.
9–12 months
Offer small, soft flakes of crab meat about the size of a pea for pincer grasp practice, or serve finger-length crab cakes bound with egg and breadcrumbs. You can also stir finely flaked crab through pasta, scrambled egg or risotto.
12 months +
Serve flaked crab or bite-size crab cake pieces at family meals, and let your toddler try crab mixed into pasta, fried rice or omelets. Keep checking every bite for shell, and still go easy on salty sauces and seasoning mixes.
Why it’s good
Crab gives babies lean protein, zinc, vitamin B12, selenium and copper, which support growth, immunity and healthy blood and nerves. Crab is also low in mercury, so it is one of the safer seafood choices for little ones. It does contain some cholesterol and is naturally salty, so it fits best as one of several proteins in the week.
Safety notes
- Shell fragments and hard cartilage are the main choking risk. Pick through crab meat carefully with your fingers before serving, even if the package says shelled or lump crab.
- Always cook crab fully. Raw or undercooked crab and shellfish can carry bacteria and parasites, so skip raw crab, crab sushi and ceviche for babies and young children.
- Crab is naturally high in sodium, and canned crab and king crab legs can be very salty. Choose fresh or frozen crab when you can, rinse canned crab well, and never add salt.
- Imitation crab (surimi) is a processed fish product that is high in sodium and often contains wheat, egg or added sugar. It is best saved for occasional tastes after 12 months.
- Seat baby upright and stay within arm's reach while they eat. Gagging is common and normal; choking is silent and needs action.
Introduce crab on its own, then keep it in
Crab is a shellfish, which is one of the Top 9 food allergens, and shellfish allergy tends to last into adulthood. Offer a small amount the first time on a day when baby is well, watch for hives, swelling, vomiting or breathing trouble for a couple of hours, and talk to your pediatrician first if your baby has severe eczema or another food allergy.
Crab for babies: questions parents ask
Quick answers about crab for babies and toddlers.
When can babies have crab?
Babies can have crab from about 6 months, as soon as they show signs of readiness for solids. Crab must be fully cooked and picked free of shell, then blended into a smooth puree at first, with shredded crab and soft crab cakes from 7–8 months.
Can babies have crab?
Yes, babies can eat crab from around 6 months of age when it is cooked through and shell-free. Crab is a shellfish allergen, so introduce it early on its own and keep shellfish in the diet regularly, ideally about once a week, once you know it is tolerated.
Is crab a choking hazard for babies?
Crab is a medium choking risk for babies, mostly because of hidden shell pieces and firm cartilage. Finely flaked crab meat or soft crab cakes are safe shapes, as long as you check every portion with your fingers and stay with your baby while they eat.
Is crab a common allergen?
Yes, crab is a common allergen because it is a shellfish, one of the Top 9 food allergens. Crustaceans like crab, shrimp and lobster often cross-react, so a baby who reacts to one may react to the others. Signs include hives, facial swelling, vomiting, coughing or wheezing.
How do I serve crab to a 6 month old?
To serve crab to a 6 month old, steam or boil it fully, pick out all shell, and blend or mash the meat very finely into a smooth food like mashed potato, avocado or vegetable puree. Offer it on a spoon. Soft crab cakes your baby can grab can follow at 7–8 months.
Can babies have canned crab?
Babies can eat canned crab, but canned crab is often high in sodium, so rinse it well in a sieve under cold water before using it. Check the label for added salt and preservatives, and still look through the meat for stray shell.
Can babies have imitation crab?
Imitation crab is best avoided for babies under 12 months. Imitation crab is made from processed white fish and starch, and it is usually high in sodium and may contain wheat, egg, soy and added sugar. Real crab is a better choice for allergen introduction.
Is crab high in mercury?
No, crab is a low-mercury seafood and is on the FDA list of best choices for children. Crab is high in natural sodium, though, so serve it as part of a varied diet rather than every day.
Can babies have crab legs or king crab?
Babies can have crab meat from crab legs or king crab once it is removed from the shell and finely flaked. King crab legs are often precooked in salt water and can be very salty, so soaking or rinsing the meat helps, and the shell pieces themselves should never be given to babies to chew.
What if my baby has a reaction to crab?
If your baby has swelling of the lips or face, trouble breathing, repeated vomiting or seems floppy after eating crab, call emergency services right away. For milder signs like a few hives, stop feeding crab and call your pediatrician before offering any shellfish again.
The takeaway
- Babies can have crab from about 6 months, once they are ready for solids, as long as it is fully cooked, free of shell and served in a safe texture.
- Steam or boil crab until the meat is opaque and flakes easily, then pick through it twice for shell and cartilage.
- Choking risk is medium. Shellfish is one of the Top 9 allergens: offer a small amount first, watch for a reaction, then keep it in the diet regularly.
Read next
Sources
This guide follows current advice from these organizations.
- Starting Solid Foods American Academy of Pediatrics (HealthyChildren.org)
- When, What, and How to Introduce Solid Foods Centers for Disease Control and Prevention
- Choking Hazards Centers for Disease Control and Prevention
- Choking Prevention American Academy of Pediatrics (HealthyChildren.org)
- Foods and Drinks to Avoid or Limit Centers for Disease Control and Prevention
- Advice about Eating Fish U.S. Food and Drug Administration
- Dietary Guidelines for Americans, 2020-2025 U.S. Department of Agriculture and HHS
- The Effects of Early Nutritional Interventions on the Development of Atopic Disease in Infants and Children Greer FR, Sicherer SH, Burks AW; American Academy of Pediatrics. Pediatrics. 2019;143(4):e20190281
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Updated November 2026. Reviewed by our dietitians. Based on AAP, CDC and NIAID guidance. Written for healthy, full-term babies; not a substitute for your pediatrician. If your baby was born early, has a medical condition, feeding difficulties or a known allergy, check with them first (medical disclaimer). Always stay with your baby while they eat.