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Swimmy

Book cover for Swimmy by Leo Lionni

After a single small fish survives a predator, he comes up with a clever plan to protect his school. Using cooperation and shape, the fish find a way to stay safe in the sea.

Swimmy by Leo Lionni is estimated to take about 4.5 minutes to read aloud (298 words, about 1 sentence a page), and it lands best with children aged 3-6.

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Estimated read-aloud time
about 4.5 minutesEstimated read-aloud time
Word count
298Counted words
Sentences per page
1Sentence per page
Re-read tolerance
4/5repeat friendly
Vocabulary level
3/5a few new words
Best for
Ages 3-6Our editorial fit

Our review

The watercolor illustrations give the ocean a beautiful, textured feel. The story moves from a moment of tension to a clever, strategic resolution that emphasizes teamwork over individual strength.

This is great for the preschool and kindergarten years. The concept of the "big fish" made of many small fish is easy enough for a child to explain back to you once the story is over.

Themes

  • fish
  • cooperation
  • the sea
  • cleverness
  • being small

Books like Swimmy

Matched by refrain, density, length, and listener—not just the subject.

Questions parents ask

How long does it take to read Swimmy aloud?

About 4.5 minutes at an unhurried pace, including a standard allowance for page turns, pictures and participation, from a word count of 298. Stopping for a longer conversation on every page will add more time.

What age is Swimmy actually for?

Ages 3-6 in our testing, which is narrower than the publisher's range. With 1 sentence a page and vocabulary at 3 out of 5, it asks for that much attention span and no more.

Does Swimmy survive being read on repeat?

Yes. It survives a fortnight of nightly repeats, which is the real test.

Is Swimmy a good book for a child who will not sit still?

It helps that it has a refrain a child can join in with. Those three features are what keep a wriggling toddler listening, far more than the subject matter does.

Will my child memorise Swimmy?

Probably, and fast. The book leans on a repeated refrain, and at 4 out of 5 for re-read tolerance it survives the nightly repeats that get a book memorised. Expect your child to chant the pattern back before they can actually read.

Can a beginning reader read Swimmy on their own?

Not yet. At vocabulary level 3 out of 5 and 1 sentence a page, it is a read-aloud book rather than a first solo read. Read it to them now, and hand it over in a year or two.

What themes does Swimmy cover?

We tag it with fish, cooperation, the sea, cleverness and being small. Those are the threads that actually run through the book, not just the ones on the cover, which is how it earns its place on our themed lists rather than a keyword match.