Ulises de Jesús Balderas Mancilla He is a prominent Mexican biologist and researcher specializing in ecology, aquatic resource management, and biodiversity conservation, primarily focused on the ecosystems of northeastern Mexico. SNII Accreditation: He currently holds the status of National Researcher Candidate (Candidato a Investigador Nacional) within the National System of Researchers (SNII) for the 2026–2029 period, a distinction awarded by Mexico's CONAHCYT. Institutional Affiliation: Researcher at the Instituto Tecnológico de Altamira, part of the Tecnológico Nacional de México (TecNM). Core Research Areas: Mollusk Ecology: Detailed analysis of growth, mortality, and population dynamics of the American oyster (Crassostrea virginica). Invasive Species: Studying the ecological and socioeconomic impact of the sailfin catfish (armored catfish) in lagoon systems. Ornithology and Wildlife Monitoring: Documentation of migratory records and the presence of key species, such as the American Flamingo and the Snowy Plover. Environmental Genotoxicity: Researching nuclear integrity biomarkers in aquatic organisms as indicators of ecosystem health and industrial pollution. His recent appointment to the SNII underscores his growing influence and academic commitment to the environmental sciences in the s