In this 1947 film by diving pioneer Hans Hass, marine biology work is shown with the help of early diving equipment. During the expedition Hass was able to observe and film shark behaviour and collect plant samles from underwater caves.
Sign in to add to your listWhat critics are saying
Verdicts use the same scale as your list: highly recommended through avoid — plus optional scores and blurbs.
Nobody on Critic, Sir! has logged a verdict for this title yet. The silence is either respectful or suspicious.
Sign in and use Add to My List below to share your own verdict.
Cast
Watching Lists
Sign in to create and edit public lists.
Loading lists…
Purchase & Discovery
Find this title on Amazon
Digital
Prime Video & digitalAmazon mixes rent, buy, and Prime in one place — one search covers the usual options.
Physical edition
4K Blu-ray & physical releasesSearch on AmazonOfficial merchandise
Official-style merch searchApparel, collectibles, and moreAs an Amazon Associate, Critic, Sir! earns from qualifying purchases. Full disclosure