Dear MARMAM subscribers, The 4th issue of volume 52 (52.4) of Aquatic Mammals journal is available online and will be published officially Wednesday, July 15th. You will see the new issue on the home page of the journal web site (www.aquaticmammalsjournal.org <http://www.aquaticmammalsjournal.org/>). Further information about the journal can be found at: http://www.aquaticmammalsjournal.org/ To submit a manuscript for publication consideration, please visit: http://am.expressacademic.org/actions/author.php With regards, Kathleen M. Dudzinski, Ph.D. Editor, Aquatic Mammals Journal business@aquaticmammalsjournal.org <mailto:business@aquaticmammalsjournal.org> Issue 52.4 contents (** denotes open access): Alice Forrest, Vanessa Pirotta, and Ted Cheeseman. (2026). Use of Citizen Science, Social Media, and AI to Track White Whales in the Kingdom of Tonga and Australian Waters. Aquatic Mammals, 52(4),285-292. Gargi Roy Chowdhury, Dona George, Harshali Patkar, Kanad Roy, Pranay Bhatnagar, Shovana Ray, Lallianpuii Kawlni, Vishnupriya Kolipkam, and Qamar Qureshi. (2026). Influence of Diel, Tidal, and Lunar Cycles on Acoustic Detections of Ganges River Dolphins in the Tidal Rupnarayan River of West Bengal, India. Aquatic Mammals, 52(4), 293-302. **Haris Nicolaou, Melina Marcou, Kimon Koemtzopoulos, and Panagiotis Dendrinos. (2026). Restoration of a Marine Cave in Cyprus: Enhancing Breeding Habitats for the Mediterranean Monk Seal (Monachus monachus). Aquatic Mammals, 52(4), 303-307. Patricia Z. R. Davis, Mishari Alghrair, Ricardo O. Ramalho, and Christopher N. S. Poonian. (2026). Environmental DNA as an Innovative Tool to Detect Elusive Dugong (Dugong dugon) Populations. Aquatic Mammals, 52(4), 308-313. **Stephen D. McCulloch, Brian C. Balmer, Jill L. Griffin, Zoe M. Hernandez, and Holli C. Eskelinen. (2026). Three Decades of Cetacean Stranding Events in the Florida Keys (1990-2020): Long-Term Spatiotemporal Patterns, Data Limitations, and Implications for Future Predictive Modeling. Aquatic Mammals, 52(4), 314-328. Leopoldo Hector Soibelzon and Alexandra Mary Claire Robbins. (2026). Direct Observation of a Leopard Seal (Hydrurga leptonyx) Preying on a Notothenid Fish in Shallow Coastal Waters of the Western Antarctic Peninsula. Aquatic Mammals, 52(4), 329-333. **Ronald A. Kastelein, Laura Van Acoleyen, Kimberly Tuytens, John M. Terhune, Alexander M. von Benda-Beckmann, and Erwin Jansen. (2026). Effect of Duty Cycle Composition of Intermittent Sound on Temporary Hearing Threshold Shift in a Harbor Porpoise (Phocoena phocoena). Aquatic Mammals, 52(4), 334-344. **Frederick W. Wenzel, Kerstin Langenberger, and Pedro López-Suárez. (2026). Documenting Cow/Calf Humpback Whale Migration from Boa Vista, Cabo Verde, to Bear Island, Norway, in the Eastern North Atlantic. Aquatic Mammals, 52(4), 345-350. Susana Caballero and Jeremy J. Kiszka. (2026). Genetic Diversity and Preliminary Phylogeographic Analysis of the Longman’s Beaked Whale (Indopacetus pacificus) in the Western Tropical Indian Ocean. Aquatic Mammals, 52(4), 351-356. Letter to Editor **Kathleen Dezio. (2026). Letter to the Editor: 2026 AMMPA Annual Meeting Held May 5-7 in Hawaii. Aquatic Mammals, 52(4), 357-359. Kathleen M. Dudzinski, Ph.D. Director, Dolphin Communication Project kathleen@dcpmail.org www.dolphincommunicationproject.org