User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-5460283-20130102043847/@comment-4212769-20130103135909

First, Ceadeus couldn't lay eggs in water. Ceadei were hardly ever seen near the surface and to not break the egg from the pressure it would need to keep it up itself or it would fall into the depth and stay with the egg but it needs to breathe, too so it would be at the surface. No one saw it like that and I'm sure they would see it if it were to lay eggs. Also it couldn't move because the current could damage the embryo. Ceadeus need to give birth to live young.

Second, the beard cannot be used to hatch an eggs, they cannot keep the egg up with it and, again, it would sink. Also for hiding in the beard it is too short. A new-born Ceadeus might be even bigger than a blue whale at birth and the hair is about as long as an hunter, some more maybe. Also why should it need to hide there? Whales can protect their babies, then Ceadei can protect their offspring with ease.

And third, I don't think it uses this beard for intimidating rivals and impress females as it has those horns and the bioluminiscent organs for this purpose, what would surely be more intimidating/impressive than the beard. I think, like one anon said before, it is for keeping its neck warm. That's the most likely theory although I'm unsure about it.