This chapter describes the epidemiology, prevalence, distribution, phylogenetics, pathogenesis, diagnosis, prevention and control rhabdoviral haemorrhagic septicaemia in domestic and wild fishes.

This book chapter describes various aspects of scuticociliatosis: diagnosis, epidemiology, transmission, physiopathology, reservoir hosts, and control and prevention.

This book chapter describes various aspects of microsporidiosis caused by Loma salmonae: diagnosis, life cycle, influence of water temperature, host range, geographic range, pathobiology and physiopathology, clinical pathology, control and prevention, and recommendations for future studies.

This book chapter describes various aspects of myxoboliosis caused by Myxobolus cerebralis: diagnosis, physiopathology, reservoir hosts, geographical distribution, epidemiology, and control and prevention methods.

This book chapter describes the various aspects of anisakiosis caused by Anisakis simplex: diagnosis, epidemiology, physiopathology, survival in reservoir hosts, and control and prevention methods.

This book chapter discusses the geographical distribution, host range, disease transmission, description of parasites, location on the host, economic impact, diagnosis, clinical aspects, pathophysiology, disease prevention and control programmes against Gyrodactylus salaris and Gyrodactylus...

This book chapter discusses the host range, disease transmission, geographical distribution, description of parasites, location in the host, life cycle, economic impact, diagnosis, clinical aspects, pathophysiology, pathological lesions and control programmes against Pseudodactylogyrus anguillae...

This book chapter discusses the prevalence, geographical distribution, host range, disease transmission, diagnosis, clinical aspects, animal pathology, pathological lesions, pathophysiology, disease prevention, and control programmes against Neoparamoeba perurans in fishes.

This book chapter discusses the life cycle, animal pathology, host range, diagnosis, pathological lesions, pathophysiology, disease prevention and control programmes against Amyloodinium ocellatum in fishes.

This chapter gives an overview of the biology (life cycle, parasite stages, transmission and geographical distribution) and diagnosis of Ichthyophthirius multifiliis, host physiopathology and immunity as well as treatment and prevention of infection.