Marine Life: Video Series

Stingrays sting in order to protect themselves from predators, such as sharks. Learn about the venomous barbs on a stingray's tail and how they are used to ward off potential threats with help from the spokesperson of a marine laboratory and aquarium in this free video on stingrays.

Jellyfish eat a number of different things, but their main source of food is plankton, which are tiny plants that float in the ocean. Discover other food sources for jellyfish, such as zooplankton, with help from the spokesperson of a marine laboratory and aquarium in this free video on jellyfish.

Manatees live lives that can be affected by many factors, including red tide and boat strikes, but the oldest known manatee has been in captivity for more than 60 years. Find out how manatees survive in the mild with help from the spokesperson of a marine laboratory and aquarium in this free video on manatees.

Sharks eat different things depending on the species and the habitat, but they mostly eat bony fish that are found along the shores. Find out how some sharks eat marine animals, such as seals, with help from the spokesperson of a marine laboratory and aquarium in this free video on sharks.

Starfish have two stomachs, and they can eat bivalves, such as clams and oysters, despite the fact that their prey may be larger than themselves. Discover how starfish use one of their stomachs to envelop their prey with help from the spokesperson of a marine laboratory and aquarium in this free video on starfish.

In the ecosystem, manatees perform several vital functions, including cutting grass and spreading seeds. Find out how manatees spread sea grasses, which are important habitats for many fish and crabs, with help from the spokesperson of a marine laboratory and aquarium in this free video on manatees.

The number of teeth that a shark has can vary greatly among species, with the great white shark using about 50 teeth at any one time. Learn about a shark's constant replacement of their teeth with help from the spokesperson of a marine laboratory and aquarium in this free video on sharks.

Saltwater fish mate and reproduce in a number of different ways, including broadcast spawning and internal fertilization. Find out how the males carry the babies in some species of fish with help from the spokesperson of a marine laboratory and aquarium in this free video on saltwater fish.

Sharks live in every ocean throughout the world, and their different body types and adaptations allow them to live in many different locations. Learn about the migratory behavior of sharks with help from the spokesperson of a marine laboratory and aquarium in this free video on sharks.