10. Baltic Anomaly
The Baltic anomaly is a circular rock-like formation of 200 ft diameters. It is found on the floor of the northern Baltic Sea, at the center of the Bothnian Sea. It looks terrifying.
11. Oyster Toadfish
Oyster Toadfish is also known as the ugly toad, oyster cracker, or bar dog. It is a fish of the Batrachoididae family. They are generally yellowish in color with a pattern of brown oblique scars. It is omnivorous and eats crustaceans, mollusks, amphipods, squid, and other smaller fish.
12. Fire Coral
Fire corals are colonial marine organisms that look similar to corals. These organisms are really terrifying things under water as they have invisible tentacle with which they can sting.