Book excerpt: This book covers all aspects of fisheries and aquaculture of the temperate Himalayas, including fisheries resources, fish biodiversity, aquaculture status, prospects, and potential. It also includes mapping of resources, health and disease management of cultured species, feed and nutritional aspects of the cultured fish species, ornamental fisheries aspects, etc. In addition, it elucidates the recent advances in biotechnological interventions for enhancing fisheries and aquaculture productivity in the region. Essential information on the application of Geo Information System (GIS) for resource mapping, the scope of adopting re-circulatory aquaculture system for productivity enhancement, and trout culture in the Himalayan waters are provided in the book. A detailed account of recreational fisheries and fish-based ecotourism in the temperate Himalayas for generating livelihood has been provided. The impact of climate change on the fisheries of the Himalayas has been dealt with separately. The book also covers the conservation and rehabilitation aspects of endangered species of the region. This book will become a ready reference for the scientists, teachers, researchers, students, policymakers, and other stakeholders for managing fishery resources in the temperate Himalayas.