Dear MARMAM subscribers, This year, 2022, is the 50th anniversary for Aquatic Mammals journal! Our first issue (48.1) is published online. Aquatic Mammals is the longest running peer-reviewed journal dedicated to research on aquatic mammals and is published every two months with manuscripts available as published PDFs in real time. Further information about the journal can be found at: http://www.aquaticmammalsjournal.org/ <http://www.aquaticmammalsjournal.org/> To submit a manuscript for publication consideration, please visit: http://am.expressacademic.org/actions/author.php <http://am.expressacademic.org/actions/author.php> Happy Reading! With regards, Kathleen M. Dudzinski, Ph.D. Editor, Aquatic Mammals Journal business@aquaticmammalsjournal.org <mailto:business@aquaticmammalsjournal.org> Volume 48, Issue 1 (Items preceded by an * are open access) *Kathleen M. Dudzinski, Renato Lenzi, Guillermo J. Sánchez Contreras, and Javier Almunia. (2022). Happy Anniversary to Aquatic Mammals and to the European Association for Aquatic Mammals! Aquatic Mammals, 48(1), 1-2. *Keith D. Mullin, Lisa Steiner, Charlotte Dunn, Diane Claridge, Laura González García, Jonathan Gordon, and Tim Lewis. (2022). Long-Range Longitudinal Movements of Sperm Whales (Physeter macrocephalus) in the North Atlantic Ocean Revealed by Photo-Identification. Aquatic Mammals, 48(1), 3-8. https://doi.org/10.1578/AM.48.1.2022.3 <https://doi.org/10.1578/AM.48.1.2022.3> Lili Pelayo-González, Paula Tercero-Dander, María del Carmen Gutiérrez-Osuna, Luis M. Burciaga, and Claudia J. Hernández-Camacho. (2022). Potential California Sea Lion (Zalophus californianus) Parturitions After the Pupping Season. Aquatic Mammals, 48(1), 9-14. https://doi.org/10.1578/AM.48.1.2022.9 <https://doi.org/10.1578/AM.48.1.2022.9> Kimonas Koemtzopoulos, Styliani Adamantopoulou, Panagiotis Dendrinos, Anastasia Komnenou, Eleni Tounta, and Alexandros A. Karamanlidis. (2022). Molt Chronology of a Male Mediterranean Monk Seal (Monachus monachus) from the Eastern Mediterranean Sea. Aquatic Mammals, 48(1), 15-20. https://doi.org/10.1578/AM.48.1.2022.15 <https://doi.org/10.1578/AM.48.1.2022.15> Bitopan Malakar, Abhilash Kottarathil Rajendran, Hariharan Govindasamy, Deepak Samuel Vijay Kumar, Nitul Kumar Gogoi, Purvaja Ramachandran, and Ramesh Ramchandran. (2022). Record of a Dugong Feeding Trail with a Note on Recent Dugong-Related Incidents Along the Coast of Tamil Nadu, India. Aquatic Mammals,48(1), 21-24. https://doi.org/10.1578/AM.48.1.2022.21 <https://doi.org/10.1578/AM.48.1.2022.21> Ann M. Zoidis, Paula A. Olson, Thomas A. Jefferson, Niccolas C. Johnson, Christian P. Soucier, and Jessica H. Bassi. (2022). Distribution and Abundance of Marine Mammals in the Estuarine Waters of the Piscataqua River, Maine, USA. Aquatic Mammals, 48(1), 25-35. https://doi.org/10.1578/AM.48.1.2022.25 <https://doi.org/10.1578/AM.48.1.2022.25> *Ronald A. Kastelein, Lean Helder-Hoek, Linde N. Defillet, Femke Kuiphof, Léonie A. E. Huijser, and John M. Terhune. (2022). Temporary Hearing Threshold Shift in California Sea Lions (Zalophus californianus) Due to One-Sixth-Octave Noise Bands Centered at 8 and 16 kHz: Effect of Duty Cycle and Testing the Equal-Energy Hypothesis. Aquatic Mammals, 48(1), 36-58. https://doi.org/10.1578/AM.48.1.2022.36 <https://doi.org/10.1578/AM.48.1.2022.36> Fernando R. Elorriaga-Verplancken, Claudia J. Hernández-Camacho, Leonardo Álvarez-Santamaría, Aurora Paniagua-Mendoza, Roberto Robles-Hernández, Francisco Rebolledo-Villa, Hiram Rosales-Nanduca, Alejandro Ramos-Rodríguez, and Karina Acevedo-Whitehouse. (2022). Largest Mortality Event to Date of California Sea Lions in Mexico Might Be Linked to a Harmful Algal Bloom. Aquatic Mammals, 48(1), 59-67. https://doi.org/10.1578/AM.48.1.2022.59 <https://doi.org/10.1578/AM.48.1.2022.59> Alla M. Mass and Alexander Ya. Supin. (2022). Ganglion Cell Topography and Retinal Resolution in an Irrawaddy Dolphin (Orcaella brevirostris). Aquatic Mammals, 48(1), 68-74. https://doi.org/10.1578/AM.48.1.2022.68 <https://doi.org/10.1578/AM.48.1.2022.68> Ronald A. Kastelein, Nancy Jennings, and Léonie A. E. Huijser. (2022). White-Beaked Dolphins (Lagenorhynchus albirostris) Cooperating with Humans and Showing Altruism Toward Harbor Porpoises (Phocoena phocoena). Aquatic Mammals, 48(1), 75-82. https://doi.org/10.1578/AM.48.1.2022.75 <https://doi.org/10.1578/AM.48.1.2022.75> Pierre-Yves Daoust, Pamela Arsenault, Art Ortenburger, Donald F. McAlpine, G. Andrew Reid, and Tonya Wimmer. (2022). Osseous Anomalies in a Risso’s Dolphin (Grampus griseus). Aquatic Mammals, 48(1), 83-91. https://doi.org/10.1578/AM.48.1.2022.83 <https://doi.org/10.1578/AM.48.1.2022.83> Raúl E. Díaz-Gamboa, Carlos Tamayo-Millán, Gaspar Poot-López, Carlos González-Salas, Harold Villegas-Hernández, and Sergio Guillén-Hernández. (2022). First Stranding Record of Fin Whale (Balaenoptera physalus) in the Mexican Waters of the Gulf of Mexico. Aquatic Mammals, 48(1), 92-96. https://doi.org/10.1578/AM.48.1.2022.92 <https://doi.org/10.1578/AM.48.1.2022.92> Kathleen M. Dudzinski, Ph.D. Director, Dolphin Communication Project kathleen@dcpmail.org www.dolphincommunicationproject.org