10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian...

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10. Sea Snakes 1

Transcript of 10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian...

Page 1: 10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian Oceans 2 They live in shallow water.

10. Sea Snakes

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Page 2: 10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian Oceans 2 They live in shallow water.

Sea snakes are reptiles and live only in the warm waters of the Pacific

and Indian Oceans

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They live in shallow water

Page 3: 10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian Oceans 2 They live in shallow water.

There are about 50 different kinds and most are from 4 to 10 feet long

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Some have bodies that get wider toward the tail

Page 4: 10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian Oceans 2 They live in shallow water.

Some have tails that look like paddles which help them swim

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Most sea snakes are dull green or light brown and some have yellow bellies

Yellow-belliedSea Snake

Page 5: 10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian Oceans 2 They live in shallow water.

All sea snakes are poisonous and their venom is very strong

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Sea snakes kill small fish with venom from their fangs

Page 6: 10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian Oceans 2 They live in shallow water.

Sea snakes do not usually attack people

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Sometimes they get caught in fishermen’s nets and they may bite

when being freed from the nets

Page 7: 10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian Oceans 2 They live in shallow water.

Most kinds of sea snakes give birth to live young

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The young are born at sea

Page 8: 10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian Oceans 2 They live in shallow water.

A few kinds of sea snakes lay eggs

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These snakes leave the water when they are going to lay eggs which are usually

laid on coral reefs

Page 9: 10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian Oceans 2 They live in shallow water.

Like other water reptiles, sea snakes have lungs, not gills

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But the nostrils and lungs of sea snakes are different from those of other water

animals

OarfishOften mistaken as

a sea snake

Page 10: 10.Sea Snakes 1. Sea snakes are reptiles and live only in the warm waters of the Pacific and Indian Oceans 2 They live in shallow water.

With their nostrils and lungs, sea snakes can take some oxygen directly

out of the water

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Sea snakes can stay underwater for up to 8 hours