Earth Diver:
There is a legend in which it says the Earth was fished out of water. The universe was water first, with that water Prajapati wondered how the universe could be developed. He saw a lotus leaf standing in the water and thought “there must be something on which it rests”. So assuming the form of a boar he plunged in the water and found earth submerged in it. Breaking a portion of earth he rose to the surface. In other texts cosmic tortoise has been conceived as finding earth in the ocean.
In Ramayana sage Vashishta says that Brahma with all the other gods caused the earth to rise from water in the form of a boar and created everything that exists.
The other version says that a demon Hiranyaksa impressed brahma by penance and received a boon that no man, god or beast could kill him. While listing all whom he claimed exemption, he missed out boar. After receiving boon, Hiranyaksa started troubling the sages and gods. He stole the Vedas from Brahma while he was asleep and dragged earth in the netherland in his abode. Lord Vishnu assuming the form of a boar slayed him retrieved the Vedas and lifted the earth out on his tusks.
Creator as a Master Artificer:
Creator is one who creates depending upon the material using his skills. Brahmanaspati was a creator who created world with some pre-existent material. Not unlike other theories, where creation is out of nothing.
Primality of Water:
It is universally believed that in the beginning of creation there was nothing but vast expense of water shrouded in darkness. The universe did not exist at all in the beginning, but it had the desire to be someone, thus it practiced tapas as a result of which smoke, fire, flames, vapours, clouds were produced one after the other.
You will find many stories about the creation of the world in various other mythologies with some stories similar to the other.
The stories could be the imagination of the early people in order to explain the unexplained or could be facts explained in a very over exaggerated manner.



