Actinopterygii

Directory

References

Videos

Study the roles of a fish's scales, swim bladder, and gills in its respiratory system

All about ray fins: Seahorses, trunkfish, and more

Discover

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Secret Service Code Names of 11 U.S. Presidents

World Data Locator Map: Australia

Is Australia an Island?

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6 Small Kingdoms of the World

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Do Lemmings Really Commit Mass Suicide?

jeans, denim, pants, clothing

Why Do We Say “A Pair of Pants”?

United States Presidential Election of 2012. Mitt Romney. Official portrait of President Barack Obama in the Oval Office, Dec. 6, 2012 after his reelection Nov. 6, 2012. Official portrait Obama

10 Democrats Who Made History

Malayan Leaf Frog - Megophrys nasuta

9 Animals That Look Like Leaves

Actinopterygii: Media

fish taxon

Videos

Study the roles of a fish's scales, swim bladder, and gills in its respiratory system

Study the roles of a fish's scales, swim bladder, and gills in its respiratory system

The scales, swim bladder, and gills of the ray-finned fishes.

Video: Encyclopædia Britannica, Inc.

All about ray fins: Seahorses, trunkfish, and more

All about ray fins: Seahorses, trunkfish, and more

Ray-finned fishes are found in freshwater and saltwater habitats around the world...

Video: Encyclopædia Britannica, Inc.