An diofar eadar na mùthaidhean a rinneadh air "Sionnachan-mara"

'''Milky seas''' is a condition on the open [[ocean]] where large areas of [[seawater]] (up to 6,000 square miles) are filled with [[bioluminescent]] [[bacteria]], causing the ocean to uniformly glow an eerie blue at night. The condition has been thepresent stuff ofin [[sailor|mariner]]'s tales for centuries – notably appearing in chapter 24 of [[Jules Verne]]'s ''[[Twenty Thousand Leagues Under the Sea]]'' – but until recently it has not been rigorously documented.