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Mahi-mahi for Babies: A Firm, Mild Fish

A firm, mild white fish that flakes cleanly. Fish is a top-9 allergen, so introduce it on its own and watch.

When to introduce: Around 6 months
Common allergen?: Yes (fish, a top-9 allergen)
Texture: Cooked and flaked, bones removed
Key nutrients: Lean protein, B12, selenium

When can babies eat mahi-mahi?

Mahi-mahi is a mild, firm white fish that cooks up flaky and easy to serve. It is a moderate-mercury fish, so it is fine in moderation rather than several times a week. As a fish, it is a top-9 allergen, so introduce it on its own and watch for a reaction.

How to prepare mahi-mahi for baby-led weaning (BLW) and purées, by age

6 monthsCook mahi-mahi until it flakes, check carefully for bones, and flake it into a puree or offer soft flakes.

9 monthsOffer soft flakes of cooked mahi-mahi for self-feeding, bones removed.

12 months+Serve flaked mahi-mahi in fish cakes or mixed into grains and vegetables.

Is mahi-mahi safe? Choking & prep

Always check cooked fish carefully for bones and flake it soft. As a top-9 allergen, introduce it on its own and watch for a reaction. It is a moderate-mercury fish, so serve it in moderation.

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Nutrition

Mahi-mahi is a lean source of protein, vitamin B12, and selenium, with less fat than oily fish like salmon.

Goes well with

Rice · Sweet potato · Peas

Storage & freezing

Keep fresh fish very cold and use within a day or two, or freeze. Refrigerate cooked fish and use within a day.

More proteins to explore

🍖

MeatballsAround 9 to 12 months

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Mung beansAround 6 months

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MusselsAround 9 to 12 months

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NattoAround 8 months

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Navy beansAround 6 months

🐙

OctopusAround 6 months

Introducing this allergen

Frequently asked questions

When can babies have mahi-mahi?

From around 6 months, cooked and flaked with bones removed. As a fish, introduce it on its own and watch for a reaction.

Is mahi-mahi high in mercury?

It is a moderate-mercury fish, so it is fine in moderation rather than several times a week. Lower-mercury fish like salmon and cod can be more regular.

Is mahi-mahi an allergen?

Yes, fish is one of the top-9 allergens. Offer it on its own for the first time and watch for reaction signs.

Sources

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Last updated July 2026. How we write these: grounded in widely published pediatric guidance (the AAP, WHO, the NIAID 2017 allergen guidelines, and the LEAP study), and pending independent review by a pediatric professional. See our editorial and medical policy for how we research, source, and update these.

This is general information, not medical advice, and has not been individually reviewed for your baby. Always talk to your pediatrician about your baby's diet, introducing allergens, and any reaction. In an emergency, contact emergency services.

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