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Actinopterygii

life science Maturity 5-7

Most fish have thin fins.

Anatomia dei pesci.jpg
Anatomia dei pesci.jpg
These fins look like fans. They help the fish swim fast. They live in rivers and oceans. Many fish are very small. Some are very big!
Alligator gar fish (white background).jpg
Alligator gar fish (white background).jpg
Do you like to swim like a fish?

47 words
🖼️ Images & Media (35)
File:Anatomia dei pesci.jpg
Anatomia dei pesci.jpg
File:Gasterosteus aculeatus 1879.jpg
Gasterosteus aculeatus 1879.jpg
File:Evolution_of_ray-finned_fish.png
Evolution_of_ray-finned_fish.png
File:Nejonöga, Iduns kokbok.jpg
Nejonöga, Iduns kokbok.jpg
File:White shark (Duane Raver).png
White shark (Duane Raver).png
File:Coelacanth flipped.png
Coelacanth flipped.png
File:Chinle fish Arganodus cropped cropped.png
Chinle fish Arganodus cropped cropped.png
File:Salamandra salamandra (white background).jpg
Salamandra salamandra (white background).jpg
File:Phylogenetic tree of marsupials derived from retroposon data (Paucituberculata).png
Phylogenetic tree of marsupials derived...
File:British reptiles, amphibians, and fresh-water fishes (1920) (Lacerta agilis).jpg
British reptiles, amphibians, and...
File:Cuvier-105-Polyptère.jpg
Cuvier-105-Polyptère.jpg
File:Atlantic sturgeon flipped.jpg
Atlantic sturgeon flipped.jpg

+ 23 more

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📚 Content adapted from Wikipedia | Readability: FK 15.0 | Vital Level 4