To put it simply, Thalassophobia is a fear of the sea. Whereas Aquaphobia is a fear of water in general, Thalassophobia pertains specifically to fear of the ocean or large bodies of water. It usually involves being frightened of the unknown that lurks under the sea, including creepy deep sea creatures, giant whales, underwater gorges and more. If any of the following images make you feel uneasy or anxious, then congratulations, you probably have a minor case of Thalassophobia.
