The Impact of Marine Vessel Collisions on Basking Sharks

The recent incident involving a basking shark being struck by a vessel in Irish waters has shed light on the dangers that marine animals face from boat collisions. This unfortunate event, captured on a device attached to the shark for research purposes, highlights the need for greater awareness and education on mitigating such incidents.

Basking sharks, like other filter feeders such as whale sharks and baleen whales, are particularly vulnerable to boat strikes due to their surface feeding habits. The fact that the tagged shark was struck within hours of being fitted with a tracking device emphasizes the urgent need for measures to protect these animals from such collisions. The incident also revealed that even non-lethal collisions can have serious consequences on the behavior and well-being of the sharks.

The basking shark, an endangered species, faces numerous threats including historical overfishing and culling. Ireland’s coastal waters, where the sharks gather in large numbers, are crucial for their survival. The establishment of a National Marine Park in the region is a positive step towards protecting these animals and their habitat. However, more protected areas are needed throughout the basking sharks’ range to ensure their long-term survival.

The researchers involved in the study emphasize the importance of assessing the short- and long-term impacts of boat strikes on basking sharks. They point out that visible damage from collisions may heal over time, leading to potential underestimates of the prevalence of such incidents. More research is needed to understand the full extent of the effects of boat strikes on basking sharks and to develop strategies for mitigating these impacts.

Overall, the incident involving the basking shark in Irish waters serves as a stark reminder of the threats that marine animals face from human activities. Conservation efforts and education are essential in protecting these vulnerable species and ensuring their survival in the face of increasing risks from boat collisions.