The minke whale floated next to the boat. Its defenseless state was extremely dangerous to it. If someone wanted to harm it, or if there was a naughty brat on the boat, they could easily injure it, or even kill it.
Had it not heard a familiar voice from a distance, then recognized Zhang Zian after it approached him, then it would not have easily let its guard down, as it had once been harmed by a human. It proved that it was an intelligent creature. Although it didn't have a high intelligence level, it was intelligent enough to distinguish good people from bad people.
