In the animal world, we consider fish quite remote to that of humans. We have some deeply ingrained misconceptions about fish, like the one about their memory not spanning more than a few seconds or the one about their inability to feel any pain. Yet, they are similar to humans in several ways.

Key Takeaways:

  • Fish don’t have three-second memories but can remember other fish for 24 hours.
  • In a 2003 study, fish displayed classic pain responses that ended when they were given painkillers.
  • Tests show that zebrafish not only can become impatient but respond to medication to combat impatience.

“In my research, I often work with zebrafish – the aquatic lab rat. Here are five fascinating things that I, and other researchers, have discovered about them and their kind.”

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