Do Fish Drink Water?

The video explores the water needs of fish, comparing freshwater and saltwater fish. Freshwater fish absorb water through their gills and must expel excess, while saltwater fish lose water through their gills and need to drink to stay hydrated. The video also touches on human water regulation for context.

Why don't fish need to be given water like other pets?

• They don't need water to survive.

• They live in water and some absorb it through their gills.

• They can create water internally.

• They live in water and absorb it through their skin.

How do freshwater fish manage the water in their bodies?

• They drink water constantly.

• They don't need to manage water.

• They store water in special organs.

• They absorb water through their gills and expel excess.

What happens to saltwater fish as water flows over their gills?

• They become dehydrated.

• They absorb more water.

• They lose water due to the salt outside.

• They gain salt from the water.

Why can saltwater fish drink saltwater?

• They don't actually drink the water.

• They have a special system to expel excess salt.

• They don't need to drink water.

• They convert saltwater to freshwater.

What is the main difference in water management between freshwater and saltwater fish?

• Freshwater fish drink more water.

• Saltwater fish absorb water through their skin.

• Freshwater fish expel excess water, while saltwater fish need to drink more.

• Saltwater fish don't need to manage water.