So, what does the inside of a perch look like? Imagine a complex highway system, with bones and muscles working together to help the fish move and function. The vertebral column, also known as the backbone, is the main highway, and it's made up of many small bones called vertebrae.
But here's the cool thing about fish bones: they're hollow! That's right, unlike human bones, which are solid and dense, fish bones are lightweight and air-filled. This helps the fish stay buoyant in the water, which is pretty handy if you're trying to swim around all day.
And have you ever noticed how fish can twist and turn in the water with ease? That's because their spines are super flexible, allowing them to make sharp turns and quick changes in direction. It's like they have a built-in slinky, enabling them to navigate through the water with ease and agility.
Bony Fish Anatomy
