Hagfish Day is observed on the third Wednesday in October, celebrating the hagfish, a unique and often considered unattractive fish species. This day highlights the importance of hagfish in maintaining the marine ecosystem, as they play a crucial role in the decomposition of dead marine animals and the recycling of nutrients and carbon. Despite their slimy appearance and unsettling eating habits, hagfish contribute to the health of ocean environments by preventing the accumulation of carcasses. The day was founded by WhaleTimes to raise awareness about the ecological significance of this species. Celebrations typically involve educational activities that promote appreciation for hagfish and their role in the ecosystem.