Euthanasia for fish is a sensitive topic that evokes a myriad of emotions. Many fish owners find themselves grappling with the difficult decision to end the life of their aquatic companions due to various reasons, such as illness, injury, or age. It is essential to approach this subject with compassion and respect for the life of the fish. Fish, like any other pet, can experience suffering, and ensuring a humane and safe method of euthanasia is paramount for the well-being of the animal and the peace of mind of the owner. Understanding the physiological and psychological aspects of fish can help owners make informed decisions. Fish are sentient beings that…