Water Animals

key notes:

Definition of Water Animals

• Animals that live in or near water bodies like oceans, rivers, lakes, or ponds.
• Examples: fish, dolphins, whales, crabs, and turtles.

Types of Water Animals

• Freshwater Animals: Live in rivers and lakes (e.g., frogs, goldfish).

• Saltwater Animals: Live in oceans and seas (e.g., sharks, octopuses).

How Water Animals Breathe

• Some use gills to breathe underwater (e.g., fish).
• Others come to the surface to breathe air (e.g., dolphins, whales).

How They Move

• Fins and Tails: Help fish and dolphins swim.
• Flippers: Help animals like turtles and seals move in water.

Importance of Water Animals

• Maintain the balance of aquatic ecosystems.
• Provide food for humans (e.g., fish, crabs).
• Offer beauty and recreation (e.g., coral reefs, dolphin shows).

Adaptations of Water Animals

• Streamlined bodies for easy swimming.
• Camouflage to hide from predators.
• Special skin or scales to withstand water pressure.

Famous Water Animals

• Dolphins: Intelligent and friendly.

• Whales: Largest animals in the world.

• Octopuses: Known for their eight arms and intelligence.

Fun Facts

• A jellyfish has no heart or brain.
• Starfish can regenerate their arms.
• Some fish can glow in the dark (bioluminescence).

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