This chapter covers Heterobothrium okamotoi and Neoheterobothrium hirame, which are monogenean parasites of tiger puffer and olive flounder in Japan, respectively. The life cycle and morphology of these parasites are presented. Focus is given on the diagnosis, external and internal lesions,...

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.

The morphology, host range, life cycle, distribution and impact on fish production of Lernaea cyprinacea are covered in this chapter. Moreover, the diagnosis, clinical signs, macroscopic and microscopic lesions, physiopathology, host immune response and control and prevention (insecticides and...

This chapter gives an overview on the morphology, host range, life cycle, impact on oyster production, diagnosis, histopathology, physiopathology and control and prevention (selective breeding) of Perkinsus marinus and Haplosporidium nelsoni.

This chapter covers the life cycle of Sanguinicola inermis and its impact on fish production. Focus is also given on the diagnosis and clinical signs, histopathology, pathophysiology, host immune response and disease control strategies.