Walternate ship ideas

Some ideass for my Walternate creative writing.

Now i was thiniking to be in my story a 300 meters ship last 3 days i added 125 ships in my story i dnt know but i think 125 ships i dnt counted and 30 diferent species but now i want a few ships and few species in my story.This day will be released chapter 1 of the story walternate.This is a pie.