>>3963691>>3963692That makes sense, exertion would have the same effect as deliberate hyperventilation.
For me I've never tried to accomplish anything like spearfishing, taking pictures or setting records, it's always been about floating around and relaxing. Only diving to get a look at something particularly interesting, and surfacing at the first sign of discomfort.
>>3963694That's what I learned too, and it makes perfect sense to me. Also what they've said when I've been on beaches to see seals and penguins. Not a fan of touristy dolphin swimming things either, they, like seals, are essentially tiger strength, they're in their own element and you're not, and you don't really know their body language. I don't know if it's true, but they say even penguins can deliver quite a savage paddling.
And the other side of the coin is that you may well end up injuring the wildlife, infecting them with something or changing their behavior.
