A Marine Biologist�studies life in the oceans. These scientists may specialize in one type of organism, such as algae or sharks, or their studies may also include the relationships between organisms, like the clownfish and sea anemone. They may research the ecology, behavior, anatomy, or evolution of a particular marine species, or of a particular marine ecosystem or habitat. A lot of marine biologists also become teachers, either formally or informally educating others about all of the oceans� fascinating inhabitants.
An Oceanographer�studies the oceans� resources and tries to figure out ways to manage them properly for the future. Oceanographers also have different specializations. Some forecast tides and currents, others work with fisheries, and others help with oil and mineral exploration.
A Commercial Diver�inspects and helps build underwater constructions, such as bridges, piers, or pipeline. Some divers do salvage work, helping recover cargoes from shipwrecks or other accidents.
A Rescue Diver� manages risks and effectively handles limited in-water problems and diving emergencies, assists and transports divers, and performs both surface and deep-sea rescues.
A Marine Park Manager�helps protect and manage the valuable resources of a particular designated marine area through scientific research and monitoring, education and outreach, development of action plans, and enforcement and implementation of these plans.
An Aquarist�takes care of aquarium animals by cleaning, feeding, and monitoring the exhibits. They may also collect data about the animals to ensure the health of the collection or contribute information which will help wild populations.
Marine Mammal Trainer� Marine mammal trainers are responsible for the animal's mental and physical health. Apart from the actual training, trainers must keep up-to-date records about the animals, prepare food, clean habitats, perform general maintenance duties, interact with the public, give interviews, answer letters, give trainer tours, do enrichment with the animals and carry out training discussions.