Murdock lives with a school of other merfolk, whom he protects. He is known to fiercely attack other merfolk school, sailors, or any sort of predator. Murdock also hunts for his school, though he most typically does so for the females and the children. He refuses to trust anyone outside of his school. He likes to avoid humans if possible. His scales are a golden color to scare predators away, and to confuse prey.