00:00Danionola cerebrum, the tiny fish with a very loud voice.
00:04Some of the loudest sounds in nature come from the smallest animals.
00:09One surprising example is a tiny fish called Danionola cerebrum.
00:13This fish is so small that it's only about the size of your fingernail.
00:18And its body is see-through, meaning you can almost look right through it.
00:23But even though it's tiny, this fish can make very loud sounds underwater.
00:29Up to 140 decibels.
00:31To give you an idea of how loud that is, an elephant trumpet sound is about 117 decibels.
00:39Which means this little fish is even louder than an elephant.
00:43Danionola cerebrum lives in the fresh streams of Myanmar, a country in Southeast Asia.
00:49It is a rare and special fish that scientists are still learning about.
00:54Scientists believe the fish makes these loud sounds to talk to other fish.
00:59It may use the sounds to protect its clarity, may be telling other fish to stay away,
01:05attract a mate or finding a partner to breed with.
01:08And warn others or express feelings like being scared or excited.
01:13The fish uses fast muscle movements near its swim bladder.
01:17A small air-filled organ that helps the fish float.
01:21These quick movements create strong sound bursts.
01:24But scientists are still trying to understand how a fish this small can be so loud.
01:29It's a mystery because no one expected such a small creature to make such powerful sounds.
01:36This discovery shows that size does not always mean strength.
01:40In nature, we often think bigger animals are stronger or louder.
01:45But Danionola cerebrum teaches us that even the teniest animals can do amazing things.
01:51It reminds us to look closely at the small wonders of nature,
01:55because they can surprise in big ways.
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02:01Thanks for watching.
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