From The Encyclopedia Galactica:
First and Second Singularity Transcended Whales
First and second singularity transapient beings can be contained within physical bodies small enough to be mobile upon the surface of a planet, see Toposophic Level and Brain Size. Such transapients are generally quite large entities. For this reason they often adopt an ocean-going form, quite often very large. The ocean water also acts as a heat-sink, efficiently cooling the mental processing structures of the entity’s brain.
Many transcended whale and cetacean provolves adopt large whale-like bodies and live among schools of smaller modosophont cetaceans. Other transapient whale-like beings are not derived from cetaceans, but have adopted the form for convenience and comfort.
One of the first transapient whales to emerge was the so-called Great Whale ISO, who appeared on Pacifica in the 2500s AT
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