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The Confirmed Stranding of an Adult Female Risso's Dolphin, Grampus griseus (G. Cuvier, 1812), in the northeastern Mediterranean Sea

Deniz Ayas*, Nuray Çiftçi, Yekta Taniş

DOI: 10.28978/nesciences.1405168

Abstract

The study aimed to report a confirmed stranding record of an adult female Risso’s dolphin (Grampus griseus) from the northeastern Mediterranean Sea. This species is classified as "Least Concern" in the Mediterranean by the International Union for Conservation of Nature (IUCN). The individual, which was first seen alive from the Erdemli shores of Mersin Bay on 10 April 2023, was tried to push back into the water after being stranded ashore. After the individual died, the corpse was brought to Mersin University Marine Life Museum for external examination. It was determined that the individual weighed 360 kg and had a length of 330 cm. Many old and new scars were found on the individual's skin. It was understood that the newly formed deep cut marks on the head area were caused by the individual hitting the fishing nets. The study is the confirmed stranding of an adult female Risso's dolphin record in the northeastern Mediterranean Sea.

Keywords

Grampus griseus, Risso’s dolphin, northeastern Mediterranean Sea, Mersin Bay, external examination

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