Naoh's ship as described,in the bible,as 300 cubits by 50 cubits, with a cubit being, the distance from the finger tip to the elbow, or around 18 inches, would be equal to 450 feet long by 75 feet wide .The supertanker is approximately 1320 feet long by 200 feet wide and couldn't accommodate two of each animal much less animals and food not to mention the crew and families .