Food
Omnivore
X-ray tetra eat worms, insects and tiny crustaceans.
Eats plants and animals
HomeAnimals A–ZLetter XX-ray Tetra
X-ray Tetra Facts for Kids: X Is for X-ray Tetra
X-ray tetras are tiny fish with see-through skin, so you can spot their backbone. They swim together in big groups called schools in South American rivers. Here are easy x-ray tetra facts for kids: what x-ray tetra eat, how big they grow, what a baby x-ray tetra is called and where x-ray tetra live. Read them out loud, try the quiz, then color the letter X.
Fishtype
Omnivorediet
Frybaby name
Fun facts
Fun Facts About X-ray tetra
Two more true facts about the x-ray tetra that kids love. Tap the button to hear the name, then read each fact together.
Xx
Say “X-ray Tetra”
X-ray Tetra starts with the letter X. Clap once for each part of the word as you say it.
1
Did you know?
Its body is see-through, so you can see its bones.
2
One more fact
It swims in big groups to stay safe.
Act it outMove like a x-ray tetra for ten seconds.
Spot the letterFind the letter X in “X-ray Tetra”.
Ask a questionWhat would a x-ray tetra eat for breakfast?
Quick facts
X-ray Tetra Facts at a Glance
Everything a curious kid wants to know about the x-ray tetra, in eight short cards.
Size
How big?
A x-ray tetra is about 4 to 5 cm long.
Body sizeLife
How long?
X-ray tetra live for about 5 years.
LifespanBaby
Fry
A baby x-ray tetra is called a fry.
Baby nameGroup
School
A group of x-ray tetra is called a school.
Group nameHabitat
Rivers & swamps
X-ray tetra are found in rivers of South America.
Where they liveAnimal type
Fish
X-ray tetras are tiny fish with see-through skin, so you can spot their backbone. They swim together in big groups called schools in South American rivers.
X-ray Tetra is a fishLetter
X is for x-ray tetra
X-ray Tetra has 9 letters and starts with X.
Say: X-ray Tetra
Quick quiz
X-ray Tetra Quiz for Kids
A tiny game to check what stuck. Read the question out loud and let your little one tap the answer.
Question 1
Score: 0
Free download
Free printable
X-ray Tetra Coloring Page: Letter X Worksheet
Done reading about the x-ray tetra? Print the free letter X sheet, say “X is for x-ray tetra” together and color the big letters. Great for circle time, morning work or a quiet afternoon at home.
1
Download the PDFOne click, no sign-up or email
2
Print at home or schoolFits US Letter and A4 paper
3
Color and traceBig letters and dotted tracing lines
Uppercase XLowercase xTracing practiceFind the X animals
Download Free PDF
3 pages, black & white
Questions
All FAQs
X-ray Tetra Questions Kids Ask
X-ray tetra eat worms, insects and tiny crustaceans. That makes the x-ray tetra an omnivore, which means it is an animal that eats plants and animals.
A x-ray tetra is about 4 to 5 cm long.
X-ray tetra live for about 5 years.
A baby x-ray tetra is called a fry.
A group of x-ray tetra is called a school.
X-ray tetra live in rivers of South America. Their favorite habitat is: rivers & swamps.
Yes. The x-ray tetra is a fish. X-ray tetras are tiny fish with see-through skin, so you can spot their backbone. They swim together in big groups called schools in South American rivers.
X-ray Tetra starts with the letter X. Say it slowly and listen for the X sound at the start.
Keep exploring
All X animals
More Animals Like the X-ray Tetra
Other X animals and more fishs to read about next.
Mammal
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Lives in: Savanna Read xerus factsMammal
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Lives in: Everywhere Read xoloitzcuintli factsFish
Hammerhead sharks have a wide, flat head shaped like a hammer. Their eyes sit at each end, which helps them look all around.
Lives in: Ocean Read hammerhead shark factsFish
Koi are colorful fish that people keep in ponds. With good care, they can live for more than 25 years.
Lives in: Lakes Read koi facts