What do you call a fish with no eyes?

This classic riddle plays on a simple, yet effective, form of wordplay: phonetic subtraction. The humor comes from literally removing the "eyes" (pronounced "i's") from the word "fish." Take away those "i's," and what are you left with? A truncated, almost gasping sound that perfectly mimics the written "fsh!" It's a joke that delights in its straightforward linguistic trickery, making you mentally perform the subtraction to get to the punchline.

While most fish happily navigate their aquatic worlds with a full complement of peepers, the concept of a "blind fish" isn't entirely imaginary; there are indeed species, often found in dark caves, that have evolved without functional eyes. But for the sake of this joke, we're less concerned with biology and more with the phonetic surgery performed on the word itself. It’s a bit like imagining what's left of "banana" if you take away all the "a's" – though that might be less funny and more of a linguistic puzzle.

Ultimately, the joke's charm lies in its elegant simplicity and the "aha!" moment when you realize the double meaning of "eyes" as both an anatomical feature and a letter sound. It's a quick, clean pun that doesn't require much thought to appreciate, making it a timeless favorite for a light chuckle.