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It is oxygen.

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10y ago

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Do betta fish eat any kind of plants?

Bettas shouldn't be fed plants, they are carnivorous fish and need lots of protein.


What kinds of plants are good for a freshwater 10 gallon tank?

In oder to really answer that, I'd need more info? What kind of fish? What kind of substrate (gravel)?


Do fish need plants to survive?

No, fish do not necessarily need plants to survive. However, plants can provide fish with hiding spots, oxygen, and natural filtration in their environment, which can contribute to their overall well-being.


What Kind of water need fish?

Depends on the fish.


What will happened to the fish if the water plants were removed?

They will get sad or stressed. They need plants.


Aquarim fish which doesn't need plants?

Many of the Cichlid type fish will destroy any plants in their environment but the vast majority of fish prefer a natural environment with living plants


How can you put CO2 in a fish tank?

There is usually no need to put co2 in a FISH tank.....Fish consume oxygen and give off carbon dioxide (CO2)...just like YOU do. The main reason for putting CO2 in a tank is if you have GOBS of plants and HARDLY ANY Fish....as it is PLANTS which need CO2 to grow. If you don't have enough fish to feed the plants enough CO2, then add a couple fish. This is hardly ever a Problem. HOWEVER:::: there is a Doodad that you can buy for your plant aquarium which will add more co2. But that's not too good for your fish, assuming that you have them...


The Needs Of Living Things In a Pond?

fish and plants because all the animals in the pond or out the pond need to eat fish and plants EASY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


How big of a reel do you need to fish with?

It really depends on what kind of fish you are catching.


Why do you need water plants in aquariums?

Fishes also need oxygen underwater and water plants provide that necessity. It is like trees and plants here above water. We need oxygen given off by them to be able to survive.We keep water plants inside the aquarium to supply oxygen as oxygen is very essential for survival.


What do plants give off that animals need?

The animals need the oxygen that plants release.


Why does a fish tank need a light?

A fish tank needs a light to provide illumination for the fish and plants inside. Light helps fish see, regulates their biological functions, and promotes the growth of plants through photosynthesis.