Aquatic cryptids

In several Bantu mythologies, mokele-mbembe (also written as "mokèlé-mbèmbé") is a mythical water-dwelling entity that is believed to exist in the Congo River Basin. It is variously described as a reptilian creature, a spirit, or a member of the extinct lineage of sauropods.

monster said to dwell in a lake

Cadborosaurus, nicknamed Caddy by journalist Archie Wills, is a sea serpent in the folklore of regions of the Pacific Coast of North America. Its name is derived from Cadboro Bay in Greater Victoria, British Columbia, and the Greek root word "saurus" meaning lizard or reptile.

thumb|250px|The "St. Augustine Monster", a carcass that washed ashore near St. Augustine, Florida, in 1896

The Inkanyamba is a legendary serpent said to be living in a waterfall lake area in the northern forests near Pietermaritzburg most commonly in the base of Howick Falls, South Africa. The Zulu people of the area believe it to be a large serpent with an equine head. It is a very tall creature. Most active in the summer months, it is believed that the Inkanyamba's anger causes the seasonal storms. thumb|Howick Falls The Zulu people believed that when you make eye contact with the Inkanyamba you are in danger of losing your life.

The emela-ntouka is a cryptozoological animal believed to live in Central Africa. Its name means "elephant killer" in Lingala. In other languages, the animal is known as Aseka-moke, Njago-gunda, Ngamba-namae, Chipekwe, or Irizima.

was built in the late 13th century and was expanded in the late 1500s and early 1600s into a strong fortress, one of the most modern in northern Europe

Mythical creature

Norwegian lake monster

thumb|right|An illustration based on Else Bostelmann's reconstruction