1. Aquaculture of Neotropical Catfish Hybrids: Genetic Strategies for Conservation and Management2. Genetics of Large Pimelodidae Catfishes: Contributions for Ecology and Conservation3. Histopathologic Biomarkers in Catfish4. Recent Advances in Aquaculture of Asian Catfishes: An Overview5. Participation of Catecholamines, H2S and NO in Neurotransmission, Neuromodulation and Regulation of Adult Neurogenesis in Carp Brai