Part I. Fish Resources and Fishing Areas of the Western Balkans -- Chapter 1. Fish Resources of Inland Waters and Fisheries in Slovenia, Management, Sustainability and Conservation -- Chapter 2. Inland Fisheries in Croatia: Historical Aspects, Fish Resources, Management and Conservation -- Chapter 3. Fish Resources and Fisheries in Bosnia and Herzegovina - Overview, Sustainability, and Conservation -- Chapter 4. Inland Fisheries in Serbia: Historical Aspect, Fish Resources, Management and Conservation -- Chapter 5. The Freshwater Fish Resources and Freshwater Fisheries of Montenegro, Management, Sustainability and Conservation - With a Special Perspective on Lake Skadar -- Chapter 6. Fish and Fisheries of the Republic of North Macedonia, Current Situation and Its Perspective -- Chapter 7. Fish Resources of Inland Waters and Fisheries in Albania, Management, Sustainability and Conservation -- Part II. Some Fish Species of the Western Balkans Important for Fisheries and Conservation -- Chapter 8. Freshwater Crayfish of Western Balkan: Is It Possible to Use Them Sustainably or Do They Need Prompt Conservation Actions? -- Chapter 9. Salmonid Fish Species - Opportunities for Sustainable Use under Multiple Pressures and Current Climatic Change -- Chapter 10. Past and Future of Sturgeon Species (Acipenseridae) in Western Balkans - Case for Permanent Conservation or Sustainable Management -- Part III. Effects of Stressors on Inland Water Ecosystems and Fish Resources -- Chapter 11. Eutrophication of Fishing Waters and the Influence of Cyanobacterial Occurrence and Blooming on Fish Resources - Case Studies in Serbia -- Chapter 12. Pollution of Fishing Waters of the Western Balkan - Potentially Toxic Elements and Their Impact on the Ecological Sustainability of Fish Resources -- Chapter 13. Invasive Macroinvertebrate and Fish Species and Their Impact on Fish Resources: A Case Study on Fishing Waters of Serbia -- Part IV. Fish Stock Assessment Methods -- Chapter14. A Brief Overview of the Development of the ES-HIPPO Model for Assessing the Sustainability and Conservation Priorities of Fish, Fish Resources, and Inland Water Habitats -- Part V. Conservation and Aquaculture -- Chapter 15. Тhe Role and Importance of Aquaculture for the Ecological Sustainability of Fish Resources in the Inland Water of Serbia -- Chapter 16. Huchen Hucho hucho (Linnaeus, 1758) in Croatia: Distribution, Genetic Diversity, Threats and Conservation -- Chapter 17. Future Perspective of Sustainable Development of Freshwater Fisheries and Conservation of Threatened Fish Species, Crustaceans and Molluscs -- Part VI. Social Aspect -- Chapter 18. Political and Socio-Economic aspects of Fisheries in Inland and Coastal Waters of the Western Balkan -- Chapter 19. Fish Resources of the Western Balkans, Sustainable Use and/or Conservation?.