What Does A Marine Biologist Do

The main question is What is a marine biologist? Marine biologists are specialized scientists who study animals, plants, and microscopic life forms that live in saltwater environments. Marine biology is an ideal career path for those who enjoy working in unconventional environments and are interested in the ocean. If you’re considering a career as a marine biologist, knowing what a career entails can help you decide whether it suits your strengths and preferences. In this article, we will take a look at what is a marine biologist and consider a list of professions these professionals can pursue.

What Is A Marine Biologist?

A marine biologist is a scientist who studies and observes marine life and ecosystems such as the ocean and saline lakes. These scientists typically study living organisms such as fish, marine mammals, plants, and microorganisms. Preparing for research in a marine field takes years, so most marine biologist have advanced degrees, such as master’s degrees or doctoral degrees. Many marine biologists also specialize in more specific areas of marine biology, such as microbiology or mammals, allowing you to learn more detailed information about specific plant and animal species. These marine biologists often focus on environmental sustainability and can use their research to find new ways to protect the ocean and its inhabitants.

What Does A Marine Biologist Do?

Some of the most common jobs for marine biologists are listed below.

  1. Observing sea animals, plants, and microorganisms  
  2. Performing research experiments in the laboratory using specialized equipment 
  3. Research that collects samples of water, plants, and microorganisms for laboratory research Room 
  4. Conduct research on different types of marine animals and their ecosystems Specialize in specific areas of marine biology such as ichthyology, marine biotechnology, and marine ecology 
  5. Understand various marine environments Learn geological oceanography to  discover new ways to promote ocean conservation and environmental sustainability 
  6. Provide medical care to sick and injured marine animals 
  7. Track  migration and reproductive patterns study fish populations in 
  8. Write scientific reports and papers to share the results with the public summarize research and data from others Scientists in subcategories of marine biology 
  9. Inform the public about marine life 
  10. Give lectures and presentations at museums and educational institutions to educate people 

Where Do Marine Biologists Work?

One of the most common work environments for marine biologists is the laboratory. Laboratories can provide a controlled environment perfect for experiments and detailed observations. Many marine biologists also collect samples in the field and observe animals in their natural habitat. This includes walking in shallow seawater, snorkeling over coral reefs, and scuba diving to reach very shallow depths. Some marine biologists also work in the medical field. There, you may provide treatment to injured or sick marine animals and research the use of marine plants and materials in the pharmaceutical industry.

Some Of The Most Common Employers For Marine Biologists Include

  1. Government Agencies 
  2. Sustainability and Conservation Nonprofits, 
  3. Research Institutes, 
  4. Universities. Marine 

Biologist Skills  

Below are Skills for Marine Biologists. Becoming a Marine Biologist: 


A career in marine biology typically involves both secondary research and field and laboratory research. It’s important to know how to plan scientific experiments, review scientific literature, and collect results after research is complete. 


Analytical skills help marine biologists draw meaningful conclusions that can be shared with employers and government groups. These scientists can analyze statistical data and perform chemical analysis of samples.

Academic Writing: 

Marine biologists write scientific reports and publish research, and some contribute to the publication of news articles, textbooks, and resources. The ability to clearly and concisely explain complex issues in writing is critical to these tasks.

Legal Regulations: 

Most marine biologists work with government agencies, helping organizations understand and enforce local, state, and federal laws. Gain a comprehensive understanding of the key regulations governing how stakeholders interact with marine life.

6 Marine Biologist Jobs 

Here are the six jobs that you can do as a marine biologist.

1. Marine Biologist 

National average salary: $44,267 per year. Key responsibilities: Marine biologists are scientists who study organisms that live in saltwater.

Their duties include visiting the ocean to observe subjects in their natural environment, collecting samples of marine plants for laboratory research, and writing reports to share their findings with the public. This may include marine biologists performing scientific experiments, assisting in the rescue and rehabilitation of injured marine animals, and monitoring marine animal behavior for research purposes. Organisms that marine biologists may study include fish, plankton, and seaweed.

2. Marine Technician 

The National Average Salary is $52,124 per year Key 

Responsibilities are Marine Technicians collect, measure, and analyze samples at sea and on land to gain insight into marine life. They test biological samples, record results, and identify and differentiate different species of saltwater fish and mammals. We also analyze water and sediment samples for research purposes. Other duties may also include the use of electronic navigation equipment, underwater diving equipment, and deep-sea cameras to collect data and maintain research logs and records.

3. Marine Environmental Consultant 

The national Average Salary is $72,344 per year 

Key Responsibilities of them are Marine Environmental Consultants evaluate and mitigate the potential impacts of capital development projects on the marine environment. Gain a comprehensive understanding of local, state, and federal environmental regulations and coordinate the regulatory approval process for your business projects. We also develop or contribute to environmental management systems and develop strategies to help companies manage their impacts on marine life, such as marine life and coral reefs. Marine environmental consultants can also help companies create geographic information systems (GIS). Marine project database and coordination with government agencies.

4. Fish And Wildlife Biologists 

National Average Salary is $56,881 per year 

Key Responsibilities are Fish and Wildlife Biologists are scientists who study fish and develop strategies to protect them and their natural environments. They can move fish species to more suitable environments, protect the natural resources necessary for the health and welfare of these fish, and study the interactions of fish with other marine life and plants in waterways. Fish and wildlife biologists often collaborate with government agencies and nonprofit organizations to conduct research and conservation projects for fish and marine ecosystems.

5. Oceanographer 

The national average salary is $79,562 per year. 

Responsibilities are of Oceanographers are scientists who study the ocean, ocean currents, and chemical interactions within the ocean and marine ecosystems. These scientists can perform chemical analyses of seawater, study the geological history of the ocean floor, and locate natural resources underwater. Oceanographers may specialize in specific areas of oceanography, such as ocean chemistry, biology, geology, or physics.

6. Marine Veterinarian 

National Average Salary is $113,418 per year 

Key Responsibilities of Marine Veterinarians are health professionals who provide medical care to marine animals such as fish, turtles, dolphins, whales, and aquatic mammals. Marine veterinarians care for animals living in rehabilitation facilities, aquariums, and zoos. Their duties may include performing physical examinations of animals to diagnose disease, vaccinating animals against infectious diseases, and maintaining knowledge about health risks to aquatic life.

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