Fish Pathology Laboratory
Finfish & Shellfish Disease Management
- Compile a statewide finfish and shellfish disease history database for use in disease policy decisions.
- Annual review of over 200 finfish and shellfish transport permits to protect wild and hatchery stocks from disease concerns.
- Conduct disease screening of parent fish whose fertilized eggs are used in enhancement programs.
- Develop finfish and shellfish disease policies (PDF 2,536 kB) and guidelines (PDF 516 kB) for advising state, federal and private user groups.
- Disease certification of Pacific oyster stocks for importation into Alaska.
Diseases Affecting Fish
Download the entire fish disease publication:
Diseases of Wild and Cultured Fishes In Alaska (PDF 7,068 kB).
Viruses
- Aquareovirus (PDF 170 kB)
- Erythrocytic Inclusion Body Syndrome (EIBS) (PDF 160 kB)
- Erythrocytic Necrosis Virus (VENV) (PDF 158 kB)
- Infectious Hematopoietic Necrosis Virus (IHNV) (PDF 171 kB)
- North American Viral Hemorrhagic Septicemia Virus (NA-VHSV) (PDF 196 kB)
- Pacific Salmon Paramyxovirus (PDF 255 kB)
- Piscine Orthoreovirus (PRV) (PDF 197 kB)
Bacteria
- Bacterial Coldwater Disease (BCWD) (PDF 200 kB)
- Bacterial Gill Disease (PDF 206 kB)
- Bacterial Kidney Disease (BKD) (PDF 224 kB)
- Enteric Redmouth Disease (ERM) (PDF 227 kB)
- Furunculosis (PDF 196 kB)
- Fusobacteria-like Agent (PDF 185 kB)
- Marine Tenacibaculosis (PDF 191 kB)
- Motile Aeromonas and Pseudomonas Septicemia (PDF 193 kB)
- Mycobacteriosis of Fish (PDF 243 kB)
- Vibriosis (PDF 206 kB)
Fungi
- Phaeohyphomycosis of Saffron Cod and Other Fish Species (PDF 245 kB)
- Phoma herbarum (PDF 199 kB)
Protozoa
- Epistylis (Heteropolaria) (PDF 178 kB)
- Hexamita (PDF 196 kB)
- Ichthyobodiasis (Costiasis) (PDF 205 kB)
- Ichthyophonus (PDF 249 kB)
- Saprolegniasis - Cotton Wool Disease (PDF 184 kB)
- Trichodiniasis (PDF 182 kB)
- Trichophrya (Capriniana) (PDF 186 kB)
- White Spot Disease (PDF 248 kB)
- X-Cell Tumors (PDF 217 kB)
Cnidaria
- Ceratonova (Ceratomyxa) shasta (PDF 178 kB)
- Henneguya (PDF 225 kB)
- Kudoa (PDF 168 kB)
- Myxobolus neurotropus (PDF 152 kB)
- Myxobolus squamalis (PDF 216 kB)
- Tetracapsuloides bryosalmonae (PKD) (PDF 221 kB)
Helminths
- Acanthocephalans (Spiny-Headed Worms) (PDF 189 kB)
- Anisakid Larvae (PDF 163 kB)
- Philometra (PDF 188 kB)
- Philonema (PDF 199 kB)
- Black Spot Disease (Neascus and Heterophyids) (PDF 216 kB)
- Encysted Digenean Metacercariae (white and yellow grubs) (PDF 240 kB)
- Larval Diplostomulum of the Eye (PDF 149 kB)
- Gyrodactylus and Dactylogyrus (PDF 229 kB)
- Piscicola (PDF 187 kB)
- Diphyllobothrium (PDF 204 kB)
- Schistocephalus (PDF 162 kB)
- Triaenophorus (PDF 238 kB)
Arthropods
- External Parasitic Copepods (PDF 193 kB)
- Salmincola (PDF 211 kB)
- Sarcotaces (PDF 202 kB)
Non-infectious Diseases
- Bloat (Water Belly) (PDF 133 kB)
- Blue Sac Disease of Fry (PDF 134 kB)
- Coagulated Yolk Disease (White Spot Disease) (PDF 193 kB)
- Drop-out Disease (PDF 233 kB)
- Gas Bubble Disease (GBD) (PDF 209 kB)
- Mushy Halibut Syndrome (PDF 210 kB)
- Neoplasia (Tumors) (PDF 553 kB)
- Organ and Tissue Anomalies (PDF 199 kB)
- Pigment Aberrations in Fish (PDF 238 kB)
- Sunburn (Back-Peel) (PDF 182 kB)
Diseases Affecting Shellfish — Bivalve Molluscs
Download the entire shellfish disease publication:
Diseases of Wild and Cultured Shellfish In Alaska (PDF 9,534 kB).
Note: this is the same document as the one found under "Crustaceans."
Viruses
- Aquabirnavirus (PDF 229 kB)
- Aquareovirus (PDF 237 kB)
- Gametogenic Hypertrophy (PDF 196 kB)
- Herpesvirus (PDF 193 kB)
Bacteria
- Bacterial Septicemia - Vibrio and Others (PDF 216 kB)
- Nuclear Inclusion X (PDF 194 kB)
- Pacific Oyster Nocardiosis (PDF 395 kB)
- prokaryotic intracytoplasmic inclusions (PDF 221 kB)
Fungi
- Shell Fungus (PDF 199 kB)
- Systemic Mycosis (PDF 219 kB)
Protozoa
- Gill and Gut Ciliates (PDF 204 kB)
- Haplosporidium sp. (PDF 339 kB)
- Hexamita (PDF 212 kB)
- Ichthyobodo-like Protozoan (PDF 146 kB)
- Nematopsis and Other Gregarines (PDF 193 kB)
- Steinhausia and Other Microsporidia (PDF 189 kB)
- Trichodinid Ciliates (PDF 202 kB)
- Unidentified Kidney Coccidia and Others (PDF 477 kB)
Helminths
- Gill and Gut Turbellaria (PDF 160 kB)
- Shell-boring Polychaetes (PDF 168 kB)
- Trematode Metacercariae and Sporocysts (PDF 294 kB)
Arthropods
- Gill and Gut Parasitic Copepods (PDF 347 kB)
Miscellaneous
- Foreign Body Granulomas and Pearls (PDF 286 kB)
- Miscellaneous Invertebrate Pests and Predators (PDF 544 kB)
- Neoplasia (PDF 380 kB)
Diseases Affecting Shellfish — Crustaceans
Download the entire shellfish disease publication:
Diseases of Wild and Cultured Shellfish In Alaska (PDF 9,534 kB).
Note: this is the same document as the one found under "Bivalve Molluscs."
Viruses
- Aquabirna and Herpes Viruses (PDF 752 kB)
Bacteria
- Prokaryotic Intracytoplasmic Inclusions (PDF 398 kB)
- Shell Disease (PDF 177 kB)
Fungi
- Black Mat Syndrome (PDF 221 kB)
- Fungal Infection of Captive Red King Crabs (PDF 231 kB)
Protozoa
- Haplosporidian-like Parasite of Shrimp (PDF 423 kB)
- Hematodinium - Bitter Crab Disease (PDF 651 kB)
- Hematodinium-like Disease Dungeness Crabs (PDF 224 kB)
- Mesanophrys sp. Ciliate Disease (PDF 265 kB)
- Thelohania and Other Microsporidia (PDF 470 kB)
Helminths
- Carcinonemertes Egg Predator (PDF 300 kB)
- Crab Leech (PDF 254 kB)
- Encysted Trematode Metacercariae (PDF 141 kB)
- Trypanorhynch Cestode Plerocercoids (PDF 292 kB)
Arthropods
- Briarosaccus callosus - Parasitic Barnacle (PDF 759 kB)
Miscellaneous
- Digestive Tubular Degeneration and Bio-Foul (PDF 217 kB)
- Idiopathic Granulomatosis –Dungeness Crab (PDF 382 kB)
- Proliferative Lesions and Neoplasia (PDF 332 kB)