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Why can't fish breathe on land?

Why can't fish breathe on land?

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What is going on here?
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These two fish, called sarcastic fringeheads, are wrestling each other for territory—using their mouths!
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Not only is it amazing how much they can stretch their mouths, but look at those colors too!
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Can you guess what this is? Do you think it’s dangerous?
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This large and unusual fish is called a Mola! It’s not dangerous at all!
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What are these fish doing?
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This fish is called a Slingjaw Wrasse and it can stick out its jaw to catch its prey!
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What do you think this fish is doing?
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The male makes a pattern in the sand to impress females. If a female is impressed, she’ll lay her eggs in the middle!
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This is called a sawfish. What do they do with a nose like that?
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It’s unbelievable, but they ACTUALLY use their nose like a saw to cut their prey in half.
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Lesson narration:

Overview

In this mini-lesson, students explore the anatomy of fish and learn how they breathe.

Exploration

5 mins

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