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Aren't those frogs also venomous? The natives use their toxin for tipping their hunting darts and arrows.
The toxins are excreted through their skin, and adhere with the oils that keep their skin moist. It is a defense that keeps other animal from eating/touching them. They are not really facilitated to bite as a defense. They pull prey in, and their mouth mostly crushes, and is used to swallow.
I meant that if we're saying it's venom when it kills you by it being introduced to your bloodstream, then their poison is also venom.
Afaik they all kill you by being introduced into your bloodstream, the difference is mainly how they're able to accomplish getting there. So any poison will kill you if you inject it, but venom will mostly be safe to eat barring any wounds.
From the Natural History Museum UK website -
The hallmark of venom is that it's introduced via a wound. It can be injected through a number of means, including teeth, a sting, spines or claws. 'Poison is different as there is no wound involved. It can be absorbed into the bloodstream through the skin, inhaled or ingested,'