Dear MARMAM Subscribers, The 5th issue of volume 50 (50.5) of Aquatic Mammals journal is available online and officially published Sunday, September 15th. 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> Articles with ** are open access: Juan José Alava and Patricia Rosero R. (2024). The Northernmost Record of a Stranded Southern Right Whale (Eubalaena australis) Calf in Ecuador’s North Coast: Notes on Stranding Causes and Distribution Expansion in the Southeastern Tropical Pacific. Aquatic Mammals, 50(5), 373-382. María Camila Rosso-Londoño, Stephane P. G. de Moura, Juan David Palencia, Marcela Portocarrero-Aya, Dalila Caicedo-Herrera, Enrique Crespo, Stefanía Diaz, Glaucia Sasaki, Pâmela Emanuelly Cattani,and Fernando Trujillo. (2024). Abundance, Distribution, and Habitat Suitability Prediction of the Guiana Dolphin and Common Bottlenose Dolphin in the Gulf of Urabá, Colombian Caribbean. Aquatic Mammals, 50(5), 383-401. Eliana Zuazquita, Jimena Belgrano, Miguel Iñíguez-Bessega, Ramiro Sarandon, and Alexandre N. Zerbini. (2024). Seasonal Occurrence of Southern Right Whales (Eubalaena australis) in Miramar, Buenos Aires Province, Argentina, Between 2016 and 2019. Aquatic Mammals, 50(5), 402-408. Aline Athayde, Sara Pereira Bragança, and Salvatore Siciliano. (2024). Killer Whale (Orcinus orca) Harassment on Humpback Whales (Megaptera novaeangliae) in Offshore Brazilian Waters. Aquatic Mammals, 50(5), 409-414. Sarai Cortez-Casamayor, Aldo S. Pacheco, Lenin Oviedo, José David Palacios-Alfaro, Sierra Goodman, Frank Garita-Alpízar, David Herra-Miranda, Julieta Mora Valencia, Manuel Perez Castillo, CaterinaGutierrez, Salvador Gubbins, Sebastian Silva, and Ted Cheeseman. (2024). From Breeding to FeedingGrounds: Tracking the Survival of a White Humpback Whale (Megaptera novaeangliae). Aquatic Mammals, 50(5), 415-422. Gonzalo Medina-Vogel, Diego Navarro Vivar, and Carlos Calvo-Mac. (2024). Assessment of the Distribution and Coexistence of Two Sympatric Otter Species in the Chiloé Archipelago, Chile, Using Photo-Identification. Aquatic Mammals, 50(5), 423-429. Cristiane G. de Moraes, Miriam Marmontel, and Paulo De Marco Júnior. (2024). Group Dynamics and Social Structure of the Inia araguaiaensis in the Tocantins River, Brazilian Cerrado. Aquatic Mammals, 50(5), 430-444. **Ronald A. Kastelein, Lean Helder-Hoek, Laura Van Acoleyen, Linde N. Defillet, and John M. Terhune. (2024). Temporary Hearing Threshold Shift and Testing the Equal-Energy Hypothesis in a Harbor Porpoise (Phocoena phocoena) After Exposure to a Continuous Noise Band at 8 kHz, and a Revised TTS-Onset Function. Aquatic Mammals, 50(5), 445-459. Book Review **Zachary Davis. (2024). Book Review: Life After Whale: The Amazing Ecosystem of a Whale Fall by L. Brunelle and J. Chin. Aquatic Mammals, 50(5), 460. Erratum **Lemnuel V. Aragones, Alessandra Nicole L. Morado, Marie Christine M. Obusan, Honey Leen M. Laggui, Jonah L. Bondoc, Leo Jonathan A. Suarez, and Ewen Kye Lawler. (2024). Erratum: Spatiotemporal Variation of Stranded Marine Mammals in the Philippines from 2005 to 2022: Latest Stranding Hotspots and Species Stranding Status. Aquatic Mammals, 50(5), 461-462.