Aww... It’s a cute baby dragon. It is clearly a water animal.

Young dragons are relatively defenseless. They are born with relatively soft scales, which are shed and replaced with harder ones as the hatchling matures. Once a hatchling’s wings grow in, it typically marks the beginning of maturation. At this point they are often capable of hunting on their own and are usually left alone by their mother.

Pokchu's does not know how this little hatchling came to be in the cave.  It just showed up.  Too young and undeveloped to swim, the little hatchling wishes to see it's mother, but cannot swim to search for her.  So it waits on an outcropping rock, crying, for hope that mother will hear...