Do Fish Have Tongues?

Let’s get straight to the point. The question on everyone’s lips (or perhaps tongues?) is: do fish have tongues like us? Well, the answer is not a simple ‘yes’ or ‘no.’

When we think of a tongue, we often picture the soft, movable muscle inside our mouth. It’s responsible for all sorts of important tasks, like helping us taste our food, swallow, and even talk. It’s an amazing and versatile body part. But when it comes to fish, they don’t have tongues quite like ours.

What fish have in their mouth is a structure that, at first glance, appears to be a tongue. But here’s the thing, it’s not a tongue like we understand it. It’s not a movable muscle they can control like we do with our tongues. So, what exactly is this fish “tongue”?

The Tongue in Fish is Bony

The so-called “tongue” you see when a fish opens its mouth is actually a bony structure known as the basihyal . Unlike our flexible, muscle-packed tongues, the basihyal is part of the fishs skeleton. It is a rigid piece of bone located on the floor of the fish’s mouth.

However, the basihyal isn’t just sitting there doing nothing. Although it’s not a muscular and flexible tongue like ours, it plays a crucial role in the fish’s eating process. Fish use the basihyal to maneuver food down their throat and towards the stomach. It’s an essential piece of the puzzle in the fish feeding process.

Different Fish have Different Kinds of Tongue

As you may imagine, the underwater world is filled with an incredible variety of fish species . Each of these species has evolved to fit its environment, developing different body structures, behaviors, and yes, different “tongues.”

The size, shape, and form of the basihyal can differ quite significantly from one species of fish to another. Factors such as diet and lifestyle have shaped the evolution of this structure over millions of years. For instance, fish species that feed on hard, crunchy critters like snails and crustaceans often have a larger, sturdier basihyal. This bony structure helps them to crush and process their hard-shelled prey. On the other hand, fish that have a diet composed of softer foods may have a smaller, thinner basihyal that is mostly used to aid in swallowing.

Fun Facts on Fish Tongues

Now, let’s dive into some fascinating and fun facts about fish and their so-called tongues.

Have you ever heard of a fish with teeth on its “tongue”? Introducing the sheepshead fish. This one-of-a-kind fish species has a set of teeth attached to its basihyal! This dental-equipped “tongue” is incredibly useful for the sheepshead fish as it feasts on hard-bodied prey like crabs and oysters. Many people even find the face of these toothed fish similar to a human, owing to the striking similarity their teeth have with ours.

Then there’s the archerfish, a species that uses its “tongue” in an entirely unique way. Instead of just using it to maneuver food, the archerfish uses its basihyal to help it aim and squirt jets of water! It’s an incredible adaptation that allows the archerfish to knock insects off of overhanging leaves and branches.