That snake that just swam by is called a Black Banded Sea Krait. Apparently 10x more venomous than a rattlesnake. Luckily, my back was turned and didn’t see or you betcha I would’ve swam faster to the top than Michael Phelps in the Olympics.

Surviving venomous sea snake bites at sea

The 50 species of true sea snake are among the most marine-adapted of all reptiles. These venomous snakes can spend their entire lives in the ocean, giving live birth instead of laying eggs on land. Some species of sea snake are even able to breathe through their skin like amphibians.