Thalassophobia is the fear of the ocean or sea. There are several synonyms that can be used to describe this fear such as aquaphobia, oceanophobia, and hydrophobia. If someone suffers from these phobias, they may experience intense anxiety and panic attacks when near large bodies of water. It's important to understand that these phobias can be debilitating and may require treatment. Exposure therapy, cognitive-behavioral therapy, and medication are common treatments for these phobias. It's important to seek help from a mental health professional if you are struggling with thalassophobia or any other phobia that is impacting your daily life.