Do pufferfish hold their breath while inflated?

According to previous scientific literature, it was generally thought that pufferfish hold their breath while inflated, effectively preventing oxygen uptake and governing how long they can avoid would-be predators.

LINK (via: AIMS)

How the puffer fish gets you high, zombifies you, and kills you

And make no mistake, people do die from fugu poisoning. About five people a year make puffer fish their last meal, and many more get violently sick from it.

It's not a pleasant way to go.

LINK (Via: i09)