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What do fleas live on?

Updated: 10/9/2023
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Wiki User

13y ago

Best Answer

The COMMON FLEA doesn't eat- it gets all the nutrients it needs from sucking the blood of humans or animals. SAND FLEAS eat dead skin.(yuck!)
Adult fleas must feed on blood in order to reproduce; however, adults can live for long periods without feeding.

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Wiki User

13y ago
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Wiki User

9y ago

Fleas survive off of blood and will bite dogs, cats, humans, or anything else that has blood pumping through it.

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Wiki User

13y ago

because they fead of a mouse.the flea is the predator and the mouse is the pray.

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Anonymous

Lvl 1
3y ago

it eats larvae

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Q: What do fleas live on?
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