You might be thinking, “Okay, cool, but why should I care about fish classes?” Because it changes how you see an aquarium. That goldfish in a bowl? It’s a bony fish with a swim bladder, floating like a lazy cloud. That shark at the aquarium? It’s a cartilaginous predator, forever swimming or sinking.
What Are The 7 Levels Of Classification For A Fish at Jamie Anthony blog
Knowing their class also explains behavior. Bony fish can freeze mid-water, waiting for prey. Cartilaginous fish have to keep moving, always hunting. It’s like comparing a couch potato to a marathon runner—both are fish, but their whole life strategy is different.
