And, um, through these waterways in the temple, the mer-people could come in, and even dolphins, and they talked telepathically with the dolphins and the mermaids, and they communicated, and they kind of lived with them together and shared and exchanged knowledge."
Deities associated with fish, water, and the sea
Oannes (Babylonian): A fish-like deity who emerged from the sea to impart wisdom and knowledge to humanity.
Oannes is associated with advanced knowledge and civilization, which parallels the advanced culture of Atlantis.
There are various types of mer-people, some looking more amphibian or humanoid.
The speaker is identified as being of the humanoid type, similar to the depictions in "The Little Mermaid".
Fairy tails -> Hathor tribe: mermaids
The constellation that is sometimes referred to as "fish-men" is Pisces.
In Greek mythology, Pisces represents two fish, who were placed in the sky by the goddess Aphrodite to honor their bravery and devotion.
In some cultures, Pisces is also associated with fish-tailed deities or mermaids, which may have led to the reference to "fish-men".
Pisces