Fish are animals who’ve figured out how to survive in the ocean for more than 500 million years! That’s a mind-boggling amount of time spent evolving and adapting to their habitat—a habitat that no tank can rival. The following are some interesting facts about fish:
1. They are far more intelligent than they get credit for:
Researchers have found that fish recognize each other and gather information by eavesdropping. They’re capable of remembering past social interactions that they’ve had with other fish, and they show affection by rubbing against each other. Dr. Sylvia Earle—one of the world’s leading marine biologists—said, “I wouldn’t deliberately eat a grouper any more than I’d eat a cocker spaniel. They’re so good-natured, so curious. You know, fish are sensitive, they have personalities, they hurt when they’re wounded.”