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They don't have to, they breathe with gills.
What else can I help you with?
How long can a fish hold its breath underwater for?
I will assume you are not joking. A fish does not hold it's breath it can breathe underwater using its gills.
Can whales and fish hold their breath for a long time?
yes or nah
Can fish live if they get sucked up by a hurricane?
yes. fish can hold their breath for a long period of time.
Can birds hold their breath?
Birds hold their breath when they are drinking or diving to catch fish.
How long does it take for a fish to die when out of oxygen?
they say that fish can holdtheir breath out of water for 30 secs. If the fish has a certain disease then they should be able to hold their breath for 1 whole minute.
How long can narwhals hold their breath?
Narwhals can hold their breath for up to 25 minutes. This ability allows them to dive to great depths in search of their prey, which often includes fish and squid.
How long can tigers hold their breath?
forever, they live under water. They don't need air, they have gills. Sharks are fish and do not need to hold their breath in water, they have gills.
How long can penguins hold there breath?
They can hold there breath over 15 minutes
How do you hold your breath under water for a long tome?
just go to this site and it will tell you a lot of ways to hold your breath underwater.www.wikihow.com/Hold-Your-Breath-for-Long-Periods-of-Time
Do you hold your breath in a ball pit?
No, as long as you stay calm then you don't have to hold your breath.
How long do penguins hold there breath?
they can hold their breath 20 minutes under water
How long can Mario hold his breath?
As Mario is a video game character, he can hold his breath for however long you control him underwater.
