Instincts
The divers had great intuition and were well-versed in both the water and the creatures that lived there. These instincts took control of the situation. At that point, the divers understood they didn’t have an option about what to do next.
Nothing
Divers are typically taught to avoid disturbing creatures in their natural habitat. Especially when the diver’s consequences may be substantially worse than the animal’s. When the divers noticed the seals approaching, they tried to maintain their composure. They’d been discovered…