Cartoon series chronicles the adventures of marine boy, who can breathe for extended periods underwater with the use of oxygum. He also has jet boots that propel him underwater, and a friendly dolphin who always seems to show up just when marine boy needs him most. Written by
Did You Know?
Neptina's origin was never explored, nor how she and Marine Boy became friends. See more
Alternate-language version of Kaitei shônen Marine