Bradley M. Richardson

Bradley M. Richardson

Research Fish Biologist

USDA - Agricultural Research Service


I am a Research Fish Biologist with the USDA-ARS Warmwater Aquaculture Research Unit. My research primarily centers on the ecology of snails and other macroinvertebrates in catfish aquaculture ponds and how this subsequently impacts catfish production. My research interests cover a wide breadth of aquatic ecology including macroinvertebrate and fish community structures, species interactions, predator-prey interactions, as well as general ecology and life histories. I also have a strong interest in educational research, particularly in how note-taking effects information retention in the classroom.


  • Aquatic Ecology
  • Species Interactions
  • Aquatic Macroinvertebrates
  • Freshwater Fishes


  • PhD in Forest Resources - Wildlife, Fisheries, and Aquaculture (Secondary Education), 2020

    Mississippi State University

  • MS in Biology, 2015

    Murray State University

  • BSc in Fisheries/Aquatic Biology (Chemistry), 2013

    Murray State University



Diversity in catfish production ponds

Investigating the diversity and community structures in food fish and fingerling catfish production ponds

Managing Trematode Risk Through Host Control

Seeking control of trematode parasite risk in catfish aquaculture by managing the snail intermediate host.

Diet Comparison of Four Sympatric Gar Species

Masters thesis research investigating the diet overlap of four sympatric gar species (Family Lepisosteidae) in western Kentucky.

Biocontrol of Proliferative Gill Disease using Gambusia

Evaluating the use of Gambusia spp. as a dead-end host for Henneguya ictaluri, the causative parasite of Proliferative Gill Disease (PGD).

Morphometric Analysis of Trematode Parasites

Using morphometric analysis to evaluate taxonomic designation of trematode parasites of the genus Apharyngostrigea.

Atypical Aeromonas hydrophila in Catfish

My doctoral research investigating the eco-epidemiology of atypical Aeromonas hydrophila in farm-raised catfish.

Catalpa/Red Bud Creek

A collaboration with the Department of Civil and Environmental Engineering at Mississippi State University to assess the health of small streams of northeastern Mississippi.

Magby Creek Outreach

An outreach project to teach urban high school students the skills and importance of monitoring stream health using water quality and macroinvertebrate communities.

Recent Publications



Research Fish Biologist

USDA - Agricultural Research Service

Mar 2021 – Present Stoneville, MS

Responsibilities include:

  • Conducting original research on aquatic ecology of farm-raised Channel Catfish
  • Aid in statistical analysis for students and colleagues
  • Work with stakeholders to improve the warmwater aquaculture industry

Intermittent Researcher

Mississippi State University

Aug 2020 – Jan 2021 Starkville, MS

Responsibilities include:

  • Aiding on field and laboratory studies in catfish aquaculture management and disease
  • Aid in statistical analysis for students and colleagues
  • DNA isolation and genome sequencing techniques for fish disease identification and analysis

Graduate Teaching Assistant (PhD)

Mississippi State University

Aug 2016 – Aug 2020 Starkville, MS

Responsibilities include:

  • Conducting original research on atypical Aeromonas hydrophila (aAh) infections in farm-raised Channel Catfish
  • Serving as teaching assistant for departmental courses
  • Mentoring undergraduate students working in our lab

Long-term Substitute Teacher

Century Jr./Sr. High School

Dec 2015 – May 2016 Ullin, IL

Responsibilities include:

  • Teaching Jr./Sr. High School mathematics and latin
  • Creating/implimenting lesson plans
  • Maintaining communication with parents/guardians

Critical Species (Fisheries) Technician II

Kentucky Department of Fish and wildlife Resources

Jan 2015 – Sep 2015 Murray, KY

Responsibilities include:

  • Collecting age, sex, and size data from commercially harvested American Paddlefish (Polyodon spathula) and Asian carps (Hypophthalmichtys sp.)
  • Help develop processing plants and food markets for Asian carps in Kentucky
  • General boat, truck, and building maintenance

Graduate Teaching Assistant (MSc)

Murray State University

Aug 2013 – Dec 2015 Murray, KY

Responsibilities include:

  • Conducting original research on interactions between four native carnviorous fishes (Family: Lepisosteidae)
  • Serving as teaching assistant for department courses
  • Mentoring undergraduate students working in our lab

Undergraduate Researcher

Murray State University

Aug 2010 – Jul 2013 Murray, KY

Responsibilities include:

  • Aiding graduate students with field and lab work on various projects
  • Serving as Lab Safety Manager
  • Conducting original research on identification metrics of native gar (Lepisosteidae) species
  • Training new/incoming undergraduate lab members