Jawed bony fish {teleost}| {bony fish} evolved.
bone
Fins have bony rays with muscles, allowing better control. Later, rays became fingers and toes.
skin
Bony fish have skin scales.
mouth
Bony fish have mouth at front end, allowing larger opening, more shape and size variation, more growth while maintaining streamlined shape, and larger brain, because fish can maintain streamlined shape even if brain grows.
lung
Some bony fish have lungs surrounded by blood vessels, allowing gas exchange from blood to air, to control buoyancy and extract more oxygen.
nervous system
Fish can detect features, intensities, textures, flows, and surfaces.
types
Fish include sea horse, lungfish, bass, trout, perch, flounder, swordfish, angelfish, tropical fish, goldfish, cod, barracuda, smelt, sardine, and anchovy.
Biological Sciences>Zoology>Kinds>Fish>Teleost
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Date Modified: 2022.0224