The family of the jellyfish or medusae are not only the most venomous ocean inhabitants but also some of the deepest divers. Medusae have been found as deep as 8.300 meters. Their existence is paramount to the oceans. Many of the large migrations of fish and mammals would not be possible without...
44 min - Oceans - Free Documentary
More: Octopus, Squid & Jellyfish documentaries