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Because either the humidity is too low - or it's a threat posture.
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoBecause the humidity is too dry and you need to spray the inside of your tank with water, sink water is fine
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Why do birds have their mouths open?
to eat, or to sing, or to vomit into the mouths of their children
Why do crocodiles sleep with their mouths on the beach?
Crocodiles are often seen on the beach, looking like they are asleep, with their mouths open. What they are doing is basking, they keep their mouths open to regulate their body temperature. People sweat, dogs and cats pant, and crocodiles open their mouths :)
Why do eels open and close their mouths?
eels must open and cloth their mouths constantly in order to circulate water over their gills
How can dogs dive underwater with their mouths open?
No.
When do guinea pigs open there mouths?
for food
How does a angelfish eat?
they open their mouths and eat.
Why do sharks swim with their mouth open?
Many fish swim with their mouths open. They swim with their mouths open because the water goes into their mouths and out their gills, which is how they breathe.
How do a whale get its food?
they open their mouths to suck in food.
How do beluga whales get water?
they swim with their mouths open
How do rats consume food?
They open their mouths and swallow it.
when touched on the cheek, infants reflexively?
open their mouths
How do desert iguanas keep cool?
They open their mouths
