Chapter 1
The chemistry of living light
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Chapter 2
Deep-sea hunting and survival strategies
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Chapter 3
Defense mechanisms in the dark
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Chapter 4
Communication and community in the abyss
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YOUR GOAL
Master of Bioluminescence in the deep ocean
Ch 2 · Deep-sea hunting and survival strategies
artiteacher Deep-sea hunting and survival strategies
Ocean's darkest deep? (It's true!) / Secret lights they keep! (A spark!) / Luring meals so near, (Oh-oh!) / Banishing all fear! (They glow!)
Fun Fact
Invisible hunting light: The stoplight loosejaw fish uses a red spotlight to hunt, completely invisible to almost all other deep-sea creatures.
Glossary
counterillumination (noun)
A method of camouflage in which an animal emits light to match the background's intensity. The marine hatchetfish employs this strategy to hide its silhouette from hungry predators swimming beneath it.
A method of camouflage in which an animal emits light to match the background's intensity. The marine hatchetfish employs this strategy to hide its silhouette from hungry predators swimming beneath it.
Quiz
Why is the red light of the stoplight loosejaw fish considered an invisible spotlight?
Quiz
What unusual feature does the viperfish use to lure prey directly into its mouth?
Quiz
Which ocean zone, starting at 1,000 meters deep, is pitch black and heavily relies on bioluminescence?
Quiz
What is the main ecological benefit for a deep-sea predator using a bioluminescent lure?