Dedicated studies on aquatic disease in New Zealand began in 1974, inspired by a
developing aquaculture industry. Since then, two main aquatic disease study areas have …

Defence mechanisms of fish can be divided into specific and non-specific that act in concert
and are often interdependent. Most fish in both wild and cultured populations are vulnerable …

The 48 described species of parasitic and non-parasitic lamprey within the order
Petromyzontiformes span much of the globe. Although the sea lamprey (Petromyzon …

The silver perch, Bidyanus bidyanus (Mitchell)(Terapontidae) is a freshwater fish, endemic
to the Murray-Darling river system in south-eastern Australia. Population declines have led …

Many parasites can alter the behaviour of their hosts in a manner beneficial to the parasite
(parasitic manipulations). Obviously, examples of non-manipulative parasites also exist; …

Diseases, and the parasitic organisms that cause them, can impact aspects of ecosystems
ranging from altering food web connectivity to population dynamics. Apart from interspecific …

Host behavior may be modified by their parasites to increase the likelihood of transmission,
but mechanisms underlying these interactions are not well understood. Hosts and parasites …

Fish, like most vertebrates, are dependent on vision to varying degrees for a variety of
behaviours such as predator avoidance and foraging. Disruption of this key sensory system …

Parasites can influence the behaviour of their hosts, however investigations on how they
may shape multiple personality traits are uncommon. The flatworm parasite Tylodelphys …

Three extant classes of vertebrates are considered under the larger umbrella of fish:
Agnatha (Chap. 3), Chondrichthyes (Chap. 4), and Osteichthyes. As previously discussed in …