Can Betta Fish Hear?
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Yes, Betta Fish can hear! In fact, they have Ears. They are disimilar to human Outer Ears, but they are Ears nevertheless. The Ears are located behind the skin near their eyes. They appear as a small opening. And are in fact “internal” Ears. They are covered with Sensory Hairs that are designed to detect sound.
Fish hear via Sound Waves. As the sound moves through the water it makes vibrations. The vibration from the sound waves stimulates the skin and ears of the Fish. So essentially a Fish uses it’s body to hear as well as it’s internal Ears.
Fish can also hear via their “Lateral Line”. Which is a fluid-filled tube that is very senstitive to water pressure. As the water pressure builds the Lateral Line sensors react and build up pressure in the organ. Causing the Fish to react (hear) to this pressure.
Note: Sound Waves are multiplied through the water 5 fold. So you should never tap the tank of a Fish. As you can imagine the sound they hear.
