Ganbare! Marine Kid is a tV series anime that premiered in fall 1966, produced by Tele-Cartoon Japan.

About the production: there are 13 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, Male Protagonist and Animals.

On AniList, Ganbare! Marine Kid has an average score of 51%, an average score, and appears on 267 users' lists.

The franchise continues in or follows from: Dolphin Ouji and Kaitei Shounen Marine.

An expansion of the original Dolphin Ouji series. Character names were altered, (changing 'Dolphin Prince' to 'Marine Kid' and 'Neptuna' to 'Neptina'), characters were added and concepts expanded. In order to distance the new series from the original trial episodes, the series was re-titled Ganbare! Marine Kid. (Source: Wikipedia)

Official synopsis from AniList.