Classifying fish isn’t just for nerds in lab coats. It helps us protect endangered species—like the coelacanth, a “living fossil” that was thought extinct until a fisherman caught one in 1938. Without classification, we’d never know it was a time-traveling marvel from the dinosaur era.
It also helps us understand evolution. Did you know that the lungfish is closer to a cow than to a trout? Yep. They have lungs and four-limbed ancestors. So next time you see a fish, remember: you’re looking at a cousin who just decided to stay in the water forever. Relatable.
