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Freshwater Biologist Jobs (NOW HIRING)

AIS is looking for a Fisheries Biologist to support the collection and analysis of habitat data as ... Digitize aerial imagery-derived or field data on freshwater and nearshore habitats and/or fish.

Marine Services Biology Field Technician

Stow, OH · Hybrid

$18 - $24.75/hr

Identify freshwater mussels to species using taxonomic guides and diagnostic keys. * Gather field ... Marine Services Biology Field Tech Who will be the direct manager of the new position?: Alan ...

Marine Services Biology Field Technician

Stow, OH · On-site +1

$18 - $24.75/hr

Identify freshwater mussels to species using taxonomic guides and diagnostic keys. * Gather field ... Marine Services Biology Field Tech Who will be the direct manager of the new position?: Alan ...

Experience: 5+ years of experience in biology or malacology, with an emphasis on freshwater mussels, snails, crayfish, bats, and/or other T&E species. Currently possess or have the ability to attain ...

Bachelor's degree in biology, ecology, malacology, or a related field. • Experience: 5+ years of experience in biology or malacology, with an emphasis on freshwater mussels, snails, crayfish, bats ...

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Freshwater Biologist information

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$37K

$89.4K

$138K

How much do freshwater biologist jobs pay per year?

As of Jun 14, 2026, the average yearly pay for freshwater biologist in the United States is $89,403.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,500.00 and $121,000.00 per year, depending on experience, location, and employer.

How much does an aquatic biologist make?

Aquatic biologists, also known as freshwater biologists, typically earn a median annual salary of around $50,000 to $70,000, depending on experience, education, and location. Entry-level positions may start lower, while those with advanced degrees or specialized skills can earn higher salaries, especially in research or consulting roles.

What biology jobs pay over $100k?

In the field of biology, roles such as senior marine biologists, environmental managers, and biological scientists often earn over $100,000 annually, especially with advanced degrees and extensive experience. Positions in research, consulting, or management that require specialized skills, certifications, or leadership responsibilities tend to have higher salaries.

What are the key skills and qualifications needed to thrive in the Freshwater Biologist position, and why are they important?

To thrive as a Freshwater Biologist, you need a solid background in aquatic biology, ecology, environmental science, and data analysis, often supported by a relevant bachelor's or master's degree. Familiarity with water sampling equipment, GIS software, and laboratory analysis techniques, as well as certifications like HAZWOPER or SCUBA, are commonly required. Strong observational skills, problem-solving abilities, and effective communication are standout soft skills for this role. These skills are vital for accurately assessing freshwater ecosystems, conducting field and lab research, and effectively sharing findings with stakeholders or policy makers.

What does a freshwater biologist do?

A freshwater biologist studies organisms and ecosystems in rivers, lakes, and streams. They conduct fieldwork, collect water and biological samples, analyze data, and may use tools like microscopes and water testing kits to assess environmental health and biodiversity.

What does a Freshwater Biologist do?

A Freshwater Biologist studies aquatic ecosystems, including rivers, lakes, and wetlands, to understand and protect water quality, biodiversity, and habitat health. They conduct field research, collect water and biological samples, analyze data, and assess the impacts of human activity or climate change. Their work helps guide conservation efforts, policy decisions, and resource management to protect freshwater environments.

What can I do with a degree in aquatic biology?

A freshwater biologist with a degree in aquatic biology can work in research, conservation, environmental consulting, or resource management, often focusing on freshwater ecosystems like lakes, rivers, and wetlands. They may conduct fieldwork, collect data, and use tools such as GIS and water quality testing equipment, often requiring relevant certifications and knowledge of ecological principles.

What does a typical workweek look like for a Freshwater Biologist?

Freshwater Biologists often split their time between conducting fieldwork, such as collecting water and biological samples from rivers, lakes, or wetlands, and analyzing data or writing reports in the lab or office. The job may involve collaborating closely with other scientists, environmental agencies, or community stakeholders on conservation or research projects. Fieldwork can require travel and may sometimes involve irregular hours, particularly during specific sampling seasons. Team meetings, public presentations, and ongoing professional development are also common parts of the workweek, making the role dynamic and engaging.

What are the most commonly searched types of Freshwater Biologist jobs? The most popular types of Freshwater Biologist jobs are:
What states have the most Freshwater Biologist jobs? States with the most job openings for Freshwater Biologist jobs include:
Reintroduction Biologist (TERM)

Reintroduction Biologist (TERM)

Tennessee Aquarium

Chattanooga, TN

Full-time

Posted 5 days ago


Job description

The Reintroduction Biologist TERM advances Tennessee Aquarium’s freshwater conservation mission by providing daily husbandry needs of reintroduction programs for southeastern aquatic animals. Daily duties include overall husbandry of aquatic animals, primarily hellbenders, in recirculating systems under human care. This work will take place at Tennessee Aquarium Animal Care Facility (ACF) but will also require work at the Tennessee Aquarium Conservation Institute (TNACI) and Tennessee Aquarium facilities open to the public such as River Journey and Ocean Journey, as well as other locations. The Reintroduction Biologist TERM assists in fieldwork for conservation programs and conducts outreach relating to reintroduction programs for students and lifelong learners as needed.

Key Responsibilities

  1. Provides daily husbandry for reintroduction program animals, including feeding, maintaining exceptional water quality standards, and managing animal health and wellbeing.
  2. Involved in head starting as well as breeding/spawning a variety of species as needed to support different conservation projects. This position will mostly work with hellbenders head starting efforts but will also include other species and projects.
  3. Maintains and feeds out live foods to support conservation program animals. This may include a variety of invertebrates and vertebrates such as fish, brine shrimp, and crayfish.
  4. Prepares/chops food and washes equipment. This may include but is not limited to chopping frozen food by knife as well as utilizing food processors and other kitchen tools daily. Food offered includes, but is not limited to, blood worms, brine shrimp, krill, silversides, microfauna, crayfish, etc.
  5. Routinely conducts water quality testing using various probes, spectrophotometers, and other lab equipment as needed.
  6. Build and maintain working relationships with Tennessee Aquarium reintroduction partners including state and federal agency personnel, university professors, and other non-profit organizations.
  7. Assists with fieldwork and other field support for monitoring, collection, and animal releases for reintroduction programs as needed.
  8. Acts as a mentor to seasonal staff and/or volunteers, helps with training and coordinating daily needs with other full staff members while maintaining a positive attitude.
  9. Maintains accurate records and assists with data entry relating to husbandry and monitoring activities.
  10. Supports outreach activities, both in-classroom and online, promoting Tennessee Aquarium reintroduction programs to a variety of ages, including lifelong learners.
  11. Assists with the maintenance of field equipment as needed.
  12. Coordinates and orders supplies as directed.
  13. Maintains all working areas in good order and regularly cleans all equipment and surfaces to maintain a hygienic and clean environment as directed.
  14. Assists with and provides feedback on routine welfare assessments.
  15. Assists with tours of facilities as requested.

Knowledge, Skills and Abilities Required

  • Resilience to conservation fatigue and ability to navigate balancing the health of the population with individual wellbeing.
  • Ability to maintain a positive attitude when dealing with stressful situations.
  • Effective communication, interpersonal, and problem-solving skills.
  • Some computer skills and familiarity with Word, Excel, and social media sites.
  • Ability to complete some light plumbing and carpentry work preferred.

Educational/Experience Requirements

  • Bachelor of Science in a biological discipline with 2-4 years of experience providing daily animal husbandry or Master of Science with 1-2 years of experience with providing daily husbandry.
  • Experience in common husbandry techniques of aquatic animals using recirculating aquaculture.
  • Amphibian head starting experience preferred.
  • Experience in aquatic fieldwork preferred.

License or Certification Required

  • Driver’s license required to operate Aquarium vehicles.

Supervises

  • Volunteers and fellows

Working Conditions

  • Typically, a standard 40-hour work week but ability to be flexible and work longer shifts and more than 40 hours as needed.
  • This is a TERM position based on grant funding. Work is expected to start June 2026 and be completed by May 2030.
  • Schedule will require weekend (Saturday and/or Sunday) and holiday work.
  • Outdoors in various conditions for some fieldwork may be associated with this position.
  • Indoors in various conditions (broad ambient air temperature range) and frequent exposure to cold water.
  • Work requires occasional overnight trips to conduct aquatic fieldwork, research and conservation support activities, and to attend various meetings.
  • Willing to be on call 24/7 as requested by supervisor.

Physical Demands

The physical demands described below are representative of those that may be encountered while performing the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • Move and transport equipment weighing up to 50 pounds as part of regular job duties.
  • Navigate uneven terrain and dense outdoor environments while handling required gear.
  • Ability to safely navigate in and around water environments, including swimming, as required.
  • Ascend and descend ladders and stairs as needed.
  • Work in confined or restricted spaces that may require crouching, kneeling, or crawling.

Full-time, hourly ($21-22/hour); Term position (June 2026-May 2030). 40-hour work week, no set schedule. Includes weekend, evening, and holiday work as needed.

To apply, submit an online application, references, CV, and cover letter through the Aquarium’s career site at https://tnaqua.org/get-involved/

All submissions must be received by June 23, 2026 at 5:00 PM.