Marine Boy is a tV series anime that premiered in winter 1969.

About the production: there are 65 episodes of about 25 minutes and its current status is "finished".

Its main genres are action, adventure and sci-fi, with themes such as Kids and Animals.

On AniList, Marine Boy has an average score of 60%, an average score, and appears on 448 users' lists.

The franchise continues in or follows from: Ganbare! Marine Kid.

Yet another expansion of the Marine Boy series. This time 65 episodes were added to the 1966 series and all 78 episodes were sold to the US. The broadcast history of the show in Japan was slightly more complicated, with only the first 36 episodes of the 78 shown at first but later on all 78 were shown, out of which 65 are contained in this entry and 13 in the Ganbare! Marine Kid series.

Official synopsis from AniList.