Accurate knowledge of fish distribution and preferred habitat is crucial to managing fisheries using an ecosystem-based management approach. For many fisheries, however, it is difficult to obtain information regarding the spatial distribution of fish...
Many fish in the Amazon river floodplain, including several economically important species, exhibit some form of migration behavior. Some, such as the catfish Brachyplatystoma rousseauxii, migrate the entire length of the Amazon river. Other...
Dams can often interfere with a fish’s ability to travel up or down a river. To increase fish migration ability, a variety of modifications can be made to the dam. One such modification is a...
