The sea serpents represented a backward step in evolution, as they grew to immense sizes and eventually perished due to their small brains. [1] Despite their massive size, sea serpents perished as their 2-ounce brains were inadequate to protect their 75-foot bodies. [2] 110 million years ago, sea serpents, descendants of land reptiles, threatened fish family with destruction as marine life evolved. [3]
See also: UB 60:1.9.