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Dr. John M. Grizzle

Professor Emeritus
School of Fisheries, Aquaculture and Aquatic Sciences

ResearchHonors & AwardsPublications

Research areas include fish pathology, physiology, histology, and toxicology. Interests include both infectious and non-infectious diseases of freshwater and marine species. A fish disease diagnostic service is provided to the public and to state agencies.

  • Certified Fish Pathologist (American Fisheries Society, 1982; renewed 1987, 1992, 1997, 2002)
  • American Fisheries Society Distinguished Service Award, 1997
  • Research featured on the cover of Veterinary and Comparative Ophthalmology, 1996
  • Research featured on the cover of the Journal of the Alabama Academy of Science, 1995
  • Visiting Scientist at Virginia Institute of Marine Sciences, College of William and Mary, 1987
  • Listed as an Aquanaut on the Hydrolab exhibit in the Museum of Natural History, Smithsonian Institution, Washington, D.C., 1986
  • Research featured on the cover of Journal of the National Cancer Institute, November 1984
  • Visiting Scientist at University of Puerto Rico at Mayaguez, 1983 and 1991
  • National Science Foundation Graduate Fellowship, 1971-1974

REVIEWS IN FISHERIES SCIENCE — 2009
Infectious Diseases of Freshwater Mussels and Other Freshwater Bivalve Mollusks

PROCEEDINGS OF THE ANNUAL CONFERENCE OF THE SOUTHEAST ASSOCIATION OF FISH AND WILDLIFE— 2008
Dealing with Largemouth Bass Virus: Benefits of Multi-sector Collaboration

JOURNAL OF AQUATIC ANIMAL HEALTH — 2007
First Report of Yersinia ruckeri Biotype 2 in the USA

BMC GENOMICS — 2007
Towards the ictalurid catfish transcriptome: generation and analysis of 31,215 catfish ESTs

AMERICAN FISHERIES SOCIETY-HEALTH SECTION — 2007
Largemouth Bass Virus Disease

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY — 2006
The Relation of Largemouth Bass Virus to Largemouth Bass Population Metrics in Five Alabama Reservoirs

NORTH AMERICAN JOURNAL OF FISHERIES MANAGEMENT— 2006
Effects of Live-Well Conditions on Mortality and Largemouth Bass Virus Prevalence in Largemouth Bass Caught During Summer Tournaments

JOURNAL OF FISH BIOLOGY — 2006
Electric-induced mortality of newly transformed juvenile fishes in waters of different conductivity

JOURNAL OF AQUATIC ANIMAL HEALTH — 2006
Viral Distribution and Signs of Disease after Immersion Exposure to Largemouth Bass Virus

JOURNAL OF AQUATIC ANIMAL HEALTH — 2005
Evaluation of Cell Culture Methods for Detection of Largemouth Bass Virus

 JOURNAL OF AQUATIC ANIMAL HEALTH — 2005
Cloning and expression of a putative glycoprotein gene of channel catfish virus using baculovirus expression system

JOURNAL OF FISH BIOLOGY — 2004
Survival of largemouth bass, bluegill and channel catfish embryos after electroshocking

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY — 2004
Susceptibility of Ten Fish Species to Electroshock-Induced Mortality

CONFERENCE OF THE SOUTHEASTERN ASSOCIATION OF FISH AND WILDLIFE AGENCIES — 2004
The Southeastern Cooperative Fish DiseaseProject: 40 Years of Service to the Southeastern United States

AQUACULTURE — 2004
Excretion of ammonia and urea by phylogenetically diverse fish species in low salinities

FISHERIES – REVIEWS IN FISH HEALTH — 2003
Review of Largemouth Bass Virus

JOURNAL OF AQUATIC ANIMAL HEALTH— 2003
Electroshocking-Induced Injuries in Newly Transformed Juvenile Fish

JOURNAL OF AQUATIC ANIMAL HEALTH— 2003
Lack of Effect of Electroshock on the Susceptibility of Rainbow Trout to Enteric Redmouth Disease

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY— 2003
Electroshocking-Induced Mortality of Four Fish Species during Posthatching Development

JOURNAL OF THE WORLD AQUACULTURE SOCIETY — 2003
Effects of Low Salinities on Oxygen Consumption of SelectedEuryhaline and Stenohaline Freshwater Fish

DISEASES OF AQUATIC ORGANISMS— 2003
PCR method for detection of largemouth bass virus

AQUACULTURE — 2002
Growth and hepatic lesions of Nile tilapia (Oreochromis niloticus) fed diets containing aflatoxin B1

AQUATIC TOXICOLOGY — 2002
Effects of nonylphenol on the gonadal differentiation of the hermaphroditic fish, Rivulus marmoratus

JOURNAL OF FISH DISEASES — 2002
Experimental oral transmission of largemouth bass virus

NORTH AMERICAN JOURNAL OF AQUACULTURE — 2002
Use of a Sodium Chloride Refuge to Improve Survival of Larval Morone Species during Transfer to Rearing Ponds

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY — 2002
A Survey to Detect Largemouth Bass Virus among Fish from Hatcheries in the Southeastern USA

DISEASES OF AQUATIC ORGANISMS — 2002
First isolation of largemouth bass virus

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY — 2002
REPRODUCTIVE CHARACTERISTICS OF MALE MOSQUITOFISH (GAMBUSIA AFFINIS) INHABITING A SMALL SOUTHEASTERN U.S. RIVER RECEIVING TREATED DOMESTIC SEWAGE EFFLUENT

JOURNAL OF AQUATIC ANIMAL HEALTH — 2001
Effects of Salinity on Yersinia ruckeri Infection of Rainbow Trout and Brown Trout

JOURNAL OF FISH BIOLOGY — 2001
Effects of brackish water on growth, feed conversion and energy absorption efficiency by juvenile euryhaline and freshwater stenohaline fishes

JOURNAL OF FISH DISEASES — 2001
Effects of low salinities on Flavobacterium columnare infection of euryhaline and freshwater stenohaline fish

DISEASES OF AQUATIC ANIMALS — 2001
Detection ofYersinia ruckeri in rainbow trout blood by use of the polymerase chain reaction

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY — 2001
Gill lesions and death of bluegill in an acid mine drainage mixing zone

ANNUAL PROCEEDINGS OF THE SOUTHEASTERN ASSOCIATION OF FISH AND WILDLIFE AGENCIES — 2001
Comparison of ln-Water Voltage Gradients Produced by Electrofishing Boats

DISEASES OF AQUATIC ORGANISMS — 2000
Preliminary description of lesions in juvenile largemouth bass injected with largemouth bass virus

JOURNAL OF AQUATIC ANIMAL HEALTH — 1999
Early Changes in Pigmented Macrophages in Head Kidney of Channel Catfish Infected with Aeromonas hydrophila

NORTH AMERICAN JOURNAL OF FISHERIES MANAGEMENT — 1999
Effectiveness of Three Barrier Types for Confining Grass Carp in Embayments of Lake Seminole, Georgia

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY — 1999
Acute Toxicity of an Acid Mine Drainage Mixing Zone to Juvenile Bluegill and Largemouth Bass

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY — 1999
Drinking Rates of Stressed One-Month-Old Striped Bass: Effects of Calcium and Low Concentrations of Sodium Chloride

JOURNAL OF AQUATIC ANIMAL HEALTH — 1998
Ultrastructure of Leukocytes in Acutely Inflamed Dermis and Muscle of Channel Catfish at Different Temperatures

JOURNAL OF AQUATIC PLANT MANAGEMENT — 1998
Analysis of the Recreational Fishery and Angler Attitudes Toward Hydrilla in Lake Seminole, a Southeastern Reservoir

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY — 1998
Blood Respiratory Changes in Common Carp Exposed to a Lethal Concentration of Rotenone

AQUACULTURE — 1997
Growth and body composition of channel catfish fed diets containing various percentages of canola meal

VETERINARY AND COMPARATIVE OPHTHALMOLOGY — 1997
Ocular lesions in largemouth bass, Micropterus salmoides, subjected to the stresses of handling and containment

AQUACULTURAL ENGINEERING — 1996
Injuries and Serum Enzyme Activities of Fingerling

FOOD RESEARCH INTERNATIONAL — 1996
Effect of cooking on residues of ormetoprim and sulfadimethoxine in the muscle of channel catfish

JOURNAL OF AQUATIC ANIMAL HEALTH — 1996
An Iridovirus Isolated from Wild Largemouth Bass

JOURNAL OF AQUATIC ANIMAL HEALTH — 1996
First Report of Lymphocystis in the Family Gerreidae: Caitipa Mojarras Diaptems rhombeus from La Parguera, Puerto Rico

JOURNAL OF AQUATIC ANIMAL HEALTH — 1996
Lymphocystis in Indian Glassfish Chanda ranga Imported from Thailand to Puerto Rico

JOURNAL OF AQUATIC ANIMAL HEALTH — 1996
White Grub Posthodiplostomum minimum centrarchi Metacercariae in the Liver of Largemouth Bass: Quantification and Effects on Health

CONFERENCE OF THE SOUTHEASTERN ASSOCIATION OF THE FISH AND WILDLIFE AGENCIES — 1996
Field Trials to Determine the Efficacy of Human Chorionic Gonadotropin for Spawning Walleye

FISH PHYSIOLOGY AND BIOCHEMISTRY — 1996
Potassium flux in juvenile striped bass (Morone saxatilis): influence of external concentrations of sodium chloride and calcium

MARINE ENVIRONMENTAL RESEARCH — 1995
Presence of carcinoembryonic antigen in hepatic neoplasms of Rivulus ocellatus marmoratus

JOURNAL OF AQUATIC ANIMAL HEALTH — 1995
Effect of Calcium on Acute Toxicity of Sodium Chloride to Larval and Newly Transformed Juvenile Striped Bass

JOURNAL OF AQUATIC ANIMAL HEALTH — 1995
Renal Adenocarcinoma in Mozambique Tilapia, Neurofibroma in Goldfish, and Osteosarcoma in Channel Catfish from a Puerto Rican Hatchery

CONFERENCE OF THE SOUTHEASTERN ASSOCIATION OF FISH AND WILDLIFE AGENCIES — 1995
Efficacy of Human Chorionic Gonadotropin for Spawning Striped Bass and White Bass

JOURNAL OF THE ALABAMA ACADEMY OF SCIENCE — 1995
MORPHOLOGY OF LIVER, GALL BLADDER, AND PANCREAS IN THE SELF-FERTILIZING FISH, RIVULUS MARMORATUS (CYPRINODONTIFORMES: APLOCHEILIDAE)

JOURNAL OF HISTOCHEMISTRY AND CYTOCHEMISTRY — 1994
Endogenous Enzymes Cause Structural and Chemical Artifacts in Methacrylate- and Celloidin-embedded Sections of Unfixed Freeze-dried Tissues

NORTH AMERICAN JOURNAL OF FISHERIES MANAGEMENT — 1994
Bacterial Diseases and Mortality of Angler-Caught Largemouth Bass Released after Tournaments on Walter F. George Reservoir, Alabama-Georgia

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY — 1994
Age-Related Changes in Survival of Larval and Juvenile Striped Bass in Different Concentrations of Calcium and Sodium

AQUACULTURAL ENGINEERING — 1994
Effect of Pump Speed on Injuries to Channel Catfish (Ictalurus punctatus) during Harvest with a Turbine Pump

DISEASES OF AQUATIC ORGANISMS — 1994
Bacillus mycoides: a bacterial pathogen of channel catfish

CARCINOGENESIS — 1994
Oncogene expression in hepatic and biliary neoplasms of the fish Rivulus ocellatus marmoratus: correlation with histologic changes

JOURNAL OF THE WORLD AQUACULTURE SOCIETY — 1994
Golden Shiner Notemigonus crysoleucas x Rudd Scardinius erythrophthalmus Hybrids: Gonad Histology and Spawning Trials

JOURNAL OF AQUATIC ANIMAL HEALTH — 1993
Histopathology of Gill, Liver, and Pancreas, and Serum Enzyme Levels of Channel Catfish Infected with Aeromonas hydrophila Complex

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY — 1993
Oral Toxicity of Rotenone for Common Carp

CANADIAN JOURNAL OF ZOOLOGY — 1993
Effects of environmental concentrations of calcium and sodium on the calcium flux in stressed 34-day-old striped bass

JOURNAL OF AQUATIC ANIMAL HEALTH — 1992
Effects of Ammonia on Growth and Survival of Recently Hatched Channel Catfish

JOURNAL OF AQUATIC ANIMAL HEALTH — 1992
Effects of Sodium Chloride and Calcium Chloride on Survival of Larval Striped Bass

COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY — 1992
MONOCLONAL ANTIBODY-BASED IMMUNOASSAY OF VITELLOGENIN IN THE BLOOD OF MALE CHANNEL CATFISH (ICTALURUS PUNCTATUS)

AQUACULTURE — 1992
Skin injuries and serum enzyme activities of channel catfish (Ictalurus punctatus) harvested by fish pumps

JOURNAL OF AQUATIC ANIMAL HEALTH — 1991
Hematology and Histopathology of an Idiopathic Anemia of Channel Catfish

JOURNAL OF COMPARATIVE PATHOLOGY — 1991
Granulomatous inflammation and monstrous giant cells in response to intraperitoneal hormone implants in channel catfish ( Ictalurus punctatus )

CANADIAN JOURNAL OF ZOOLOGY — 1991
Immunohistochemical localization of vitellogenin and associated morphologic changes in hepatocytes of channel catfish, Ictalurus punctatus

JOURNAL OF AQUATIC ANIMAL HEALTH — 1990
Acute Toxicity of Aflatoxin B, to Channel Catfish

JOURNAL OF AQUATIC ANIMAL HEALTH — 1990
Channel Catfish with a Rayed Adipose Fin

JOURNAL OF AQUATIC ANIMAL HEALTH — 1990
Effects of Environmental Calcium and Sodium on Postharvest Survival of Juvenile Striped Bass

AQUACULTURE — 1990
Seasonal levels of serum vitellogenin and oocyte growth in the channel catfish, Ictalurus punctatus

(BOOK CHAPT.) IN SITU EVALUATIONS OF BIOLOGICAL HAZARDS OF ENVIRONMENTAL POLLUTANTS — 1990
FISH NEOPLASMS FOUND AT HIGH PREVALENCE IN POLLUTED WATERS

JOURNAL OF FISH DISEASES — 1989
Pathology of experimental enteric septicaemia in channel catfish, Ictalurus punctatus (Rafinesque), following immersion-exposure to Edwardsiella ictaluri

GENERAL AND COMPARATIVE ENDOCRINOLOGY — 1989
Vitellogenin induction by estradiol in channel catfish, Ictalurus punctatus

JOURNAL OF FISH DISEASES — 1988
Lesions associated with natural and experimental infections of Aeromonas hydrophila in channel catfish, Ictalurus punctatus (Rafinesque)

NORTH AMERICAN JOURNAL OF FISHERIES MANAGEMENT — 1988
Survival of Caught and Released Largemouth Bass after Containment in Live Wells

WATER RESOURCES BULLETIN — 1988
Caged fish as monitors of pollution: effects of chlorinated effluent from a wastewater treatment plant

HIGHLIGHTS OF AGRICULTURAL RESEARCH — 1988
Correct Handling increases survival of released largemouth bass

DISEASES OF AQUATIC ORGANISMS — 1988
Diethylnitrosamine-induced hepatic neoplasms in the fish Rivulus ocellatus marmoratus

DISEASES OF AQUATIC ORGANISMS — 1988
Microinjection of chemical carcinogens into small fish embryos: exocrine pancreatic neoplasm in Fundulus grandis exposed to N-methyl-N1-nitro- N-nitrosoguanidine

AQUACULTURE — 1987
Evaluation of portals of entry of aeromonas hydrophila in Channel Catfish

COPEIA — 1987
Skin histology of Rivulus ocellatus marmoratus: apparent adaptation for aerial respiration

AMERICAN JOURNAL OF VETERINARY RESEARCH — 1987
Uptake of channel catfish virus from water by channel catfish and bluegills

AQUACULTURE — 1987
Adherence of Channel Catfish Virus to Sperm and Leukocytes

MARINE ENVIRONMENTAL RESEARCH — 1986
Lesions in Fishes Captured near Drilling Platforms in

JOURNAL OF THE NATIONAL CANCER INSTITUTE — 1986
Diethylnitrosamine-induced pancreatic neoplasms in the fish Rivulus ocellatus marmoratus

CANADIAN JOURNAL OF ZOOLOGY — 1986
Nuclear glycogen and lipid in hepatocytes of a fish, Rivulus ocellatus marmoratus

CONFERENCE OF THE SOUTHEASTERN ASSOCIATION OF FISH AND WILDLIFE AGENCIES — 1986
Use of additional calcium in soft-water ponds for improved striped bass survival

JOURNAL OF FISH DISEASES — 1985
Lesions of a rock beauty, Holacanthus tricolor (Bloch), from Puerto Rico

PROGRESSIVE FISH CULTURIST — 1985
Nitrite-Induced Predisposition of Channel Catfish to Bacterial Diseases

PROCEEDINGS OF THE 5TH CONFERENCE ON WATER CHLORINATION: ENVIRONMENTAL IMPACTS AND HEALTH EFFECTS — 1985
Black Bullhead: an indicator of the presence of chemical carcinogens

AQUACULTURE — 1985
Survival of juvenile striped bass ( Morone saxatilis ) and Morone hybrid bass ( Morone chrysops x Morone saxatilis ) increased by addition of calcium to soft water

JOURNAL OF ENVIRONMENTAL PATHOLOGY, TOXICOLOGY AND ONCOLOGY — 1985
PATHOLOGY OF DIETHYLNITROSAMINE TOXICITY IN THE FISH RIVULUS MARMORATUS

(BOOK CHAPT.) CHANNEL CATFISH CULTURE — 1985
Reproductive Biology

JOURNAL OF WILDLIFE DISEASES — 1984
Lymphocystis from West Indian marine fishes

PROGRESSIVE FISH CULTURIST — 1984
Comparative Histology of Rainbow Trout and Channel Catfish Grown in Intensive Static Water Aquaculture

JOURNAL OF FISH DISEASES — 1983
Dermal fibroma in a redband parrotfish, Sparisoma aurofrenatum (Valenciennes )

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY — 1983
Etomidate as an Anesthetic for Fish: Its Toxicity and Efficacy

JOURNAL OF FISH DISEASES — 1981
Papillomas of black bullheads, Ictalurus melas (Rafinesque), living in a chlorinated sewage pond

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY — 1981
Effects of Hypolimnetic Discharge on Fish Health Below a Reservoir

JOURNAL OF FISH DISEASES — 1979
Pathology of cyprinid fishes caused by Bothriocephalus gowkongensis Yea, 1955 (Cestoda: PseudophyUidea)

PROCEEDINGS OF THE ANNUAL CONFERENCE OF THE SOUTHEASTERN ASSOCIATION OF FISH AND WILDLIFE AGENCIES — 1979
FISH HEALTH IN THE TAILWATERS OF BUFORD DAM, GEORGIA

JOURNAL OF FISH DISEASES — 1978
Nifurpirinol (Furanace; P-7138) related lesions on channel catfish Ictalurus punctatus (Rafinesque)

COPEIA — 1978
Posthatching histological development of the digestive system and swim bladder of logperch, Percina caprodes

PROGRESSIVE FISH CULTURIST — 1977
Hematological Changes in Fingerling Channel Catfish Exposed to Malachite Green

JOURNAL OF WILDLIFE DISEASES — 1976
Necrosis and bacterial infection in channel catfish ( Ictalurus puntatus ) follwing hypoxia