The Deadly Pufferfish
In The Deadly Pufferfish, naturalist Steve Backshall is swimming by a coral reef when he comes across the deadly pufferfish and sunfish. Steve shares about both toxic fish. This video is excerpted from BBC's Deadly 60, an award-winning nature and adventure show for kids in which narrator Steve Backshall has one mission: to travel the globe in search of 60 of the world's deadliest animals.
Lesson Express
Q: What is surprising about the pufferfish?
A: It is one of the most poisonous fish in the sea.
Q: How do pufferfish “puff” up?
A: They fill their stomachs with water.
Q: Compare the size of sunfish when they are born with when they are full-size.
A: They start out the size of a pea and can grow to the size of a rhino.
More Like This

In The Coral Reef, an Underwater Masterpiece, narrator Sir David Attenborough marvels at the variety of life found in Earth’s coral reefs. Learn how polyps and algae both benefit from living in close relationship with one another. This video is excerpted from BBC's Planet Earth, a breathtaking documentary series that highlights the natural wonders of our planet.

In A Sea of Opportunity in Coral Reefs, narrator Sir David Attenborough, dives into the inhabitants of this very busy coral reef, including cuttlefish who have a special adaptation to capture their prey. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.

In Pipefish Breeding at the Coral Reef, narrator Sir David Attenborough explains how the banded pipefish work together to produce as many offspring as possible. Learn about the male pipefish’s role in breeding. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.

In How Coral Grows, narrator Sir David Attenborough explains how coral grows in the coral reef. Watch coral larvae become coral plants. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.

In Nightfall on the Coral Reef, narrator Sir David Attenborough explains how animals survive on the coral reef at night. Watch how manta rays hunt at night. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.

In Competition on the Coral Reef, narrator Sir David Attenborough describes how one predator-prey pair interact on the reef. Watch jack fish try to corral silversides who have their own defensive tactic. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.

In The Coral Reef, an Underwater Masterpiece, narrator Sir David Attenborough marvels at the variety of life found in Earth’s coral reefs. Learn how polyps and algae both benefit from living in close relationship with one another. This video is excerpted from BBC's Planet Earth, a breathtaking documentary series that highlights the natural wonders of our planet.

In A Sea of Opportunity in Coral Reefs, narrator Sir David Attenborough, dives into the inhabitants of this very busy coral reef, including cuttlefish who have a special adaptation to capture their prey. This video is excerpted from BBC’s Blue Planet II, a natural history series that explores the world's oceans, the animals that live in them, and the threats they face, using modern filming techniques and equipment to capture previously unseen areas of the ocean.

In Pipefish Breeding at the Coral Reef, narrator Sir David Attenborough explains how the banded pipefish work together to produce as many offspring as possible. Learn about the male pipefish’s role in breeding. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.

In How Coral Grows, narrator Sir David Attenborough explains how coral grows in the coral reef. Watch coral larvae become coral plants. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.

In Nightfall on the Coral Reef, narrator Sir David Attenborough explains how animals survive on the coral reef at night. Watch how manta rays hunt at night. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.

In Competition on the Coral Reef, narrator Sir David Attenborough describes how one predator-prey pair interact on the reef. Watch jack fish try to corral silversides who have their own defensive tactic. This video is excerpted from BBC’s Blue Planet, a definitive documentary series diving into the mysterious depths of the sea to discover the natural history of the world’s oceans and the rarely seen marine life that reside there.