Disease & Treatment
10 articles- Nocardiosis in Fish: Granulomatous Disease That Mimics Fish TBNocardia bacteria cause chronic nodular disease in the gills, skin, and internal organs of fish that can be mistaken for mycobacteriosis. Le
- Whirling Disease in Trout and Salmon: Myxobolus cerebralis ExplainedHow the myxozoan parasite Myxobolus cerebralis causes whirling disease in salmonids via a two-host life cycle with Tubifex worms, why there
- Koi Ulcer Disease (Aeromonas): Bacterial Ulcers in Pond FishUlcer disease in koi and goldfish is a bacterial infection — usually Aeromonas — that turns bloody skin spots into deep open ulcers, often a
- Vorticella on Shrimp: The 'Mold' That Isn't FungusVorticella is a stalked, bell-shaped protozoan that colonises shrimp as a white, fuzzy, mold-like growth — but it is not a fungus. Learn how
- Scutariella japonica: The 'Nose Worm' on Dwarf ShrimpScutariella japonica is a tiny white flatworm that lives on the head and gills of Neocaridina and Caridina shrimp. Learn how to recognise it
- Black Band Disease in CoralsBlack band disease is a dark, sulfide-rich microbial mat that creeps across a coral, killing tissue and leaving bare skeleton behind it. Lea
- Brown Jelly Disease in LPS CoralsBrown jelly disease is a fast-moving brown slime of ciliated protozoans and bacteria that can consume an LPS coral such as Euphyllia within
- Fish Mycobacteriosis (Fish Tuberculosis): A Zoonotic Aquarium DiseaseFish mycobacteriosis is a chronic, hard-to-cure bacterial disease of aquarium fish caused by Mycobacterium marinum and relatives — and it ca
- Neobenedenia and Benedenia: Marine Skin FlukesNeobenedenia and Benedenia are marine monogenean skin flukes that infect a wide range of marine fish, causing flashing, skin irritation and
- Uronema marinum (Marine Scuticociliatosis): A Fast-Killing ParasiteUronema marinum is an aggressive, tissue-invasive marine ciliate that causes skin ulcers, hemorrhage and rapid death in reef fish such as ch