|imagewidth = 292|image = caption = Illustration of the nguma-monene by David Miller for Roy P. Mackal's A Living Dinosaur? (1987)
|map = Country = DR Congo|Specific Area = The remote and unexplored parts of the Central Africa-Congo rainforest|Population = Small to Endemic|type = Giant Monitor Lizard, Crocodilian, Pelycosaur, or a theropod such as a Megalisaurid, Spinosaurid.|1st Sighting = Unclear|last sighting = 20th Century|name = Nguma-monene}}
The Nguma-monene is a cryptid supposedly living in Central Africa, the :Category:Congo|Congo, Eastern Cameroon, the Motaba River and the Republic of the Congo, described as a huge, serpentine lizard. Length, 30–50 feet. Body is 2–3 feet in diameter. Grayish-brown. Head and neck are snakelike. Forked tongue. Serrated ridge along the spine. Short legs. It could be related to Mokele Mbembe as they both come from the same background and both resemble :Category:Living fossil|prehistoric animals. Nguma-monene is amphibious. It moves rapidly through swamps and eats birds and monkeys.
Etymology: Lingala (Bantu), “large boa.”
Variant names: Ngonde monene, Nyama monene, Yoli (Baka/Ubangi).
Three testimonials of sightings exist that took place near the Dongu-Mataba (tributary of the Ubangi River) in the Republic of the Congo. The first one was in 1961; the second ten years later in 1971 by pastor Joseph Ellis. He estimated the length of the (visible) tail-part as 10 meters (32 feet) long (equal to his dugout, no neck or head could be seen), and a diameter of 0.5 to 1 meter. It was described as being grayish-brown. Back in the village, it appeared that the subject was taboo. These and other sightings were gathered by University of Chicago biologist Roy P. Mackal, who led two expeditions to the Likouala swamps in the Republic of the Congo, while searching for the Mokele-mbembe. Mackal concluded that the animal has a low-slung body, and therefore is more like a lizard than a snake, as "Ellis was positive that the animal never raised itself sufficiently after leaving the water." Mackal also noted that the animal's triangular or diamond-shaped ridges were similar to (but smaller than) those of the Mbielu-Mbielu-Mbielu. This is a common misreading of his book and mixed up on a lot of webpages. Possibly the same animal is described in the 1958 book On the Track of Unknown Animals by Bernard Heuvelmans. In 1928 a snakelike animal called Ngakoula-ngou or Badigui was reported in the Ubangi-Shari area. This report was made by game inspector Lucien Blancou, who later in 1954 also first reported the Emela-Ntouka.
thumb|left|246px|A rendition">thumb|left|246px|A renditionAccording to this report, it killed a hippo in the Brouchouchou river without leaving any sign of a wound. It also crushed a manioc field, leaving tracks 1 to 1.5 meters wide. Similar reports from 1932 (at Bouzoum) and 1934 exist, in which it is called Diba, Songo, Mourou-ngou and Badigui. In the 1934 report, an old man had come to see Blancou, as he was told that he showed interest in the animal. The old man narrated that in about 1890 he was fishing in the Kibi stream (Bakala district), and saw the Badigui eating from a tree, called "roro." He described the neck to be "as thick as a man's thigh", and the underneath of the neck was lighter colored. He could not see the full body, only about 8 meters of the neck. He also said "it does not frequent places where you find hippos, for it kills them." Finally in 1945, the animal's tracks were spotted near Ndélé, by Blancou's gun carrier.
It is believed by some people to be a living dinosaur, most likely a spinosaurid; a genera of rather gigantic crocodile-like theropods that dwelled on riversides, in rainforest, coastal and delta habitats, that hunted any prey item available whether terrestrial or aquatic. If Nguma-Monene is a giant member of the spinosaur family this would be an amazing discovery. Nguma-moneme is also described to be quite similar to the early ancestors of mammals, the Synapsids; predatory ones such as [http://www.wikipedia.org/wiki/dimetrodon Dimetrodon]. It has also been said that it may be a larger member of the varanidae family, the monitor lizards.thumb|A sketch of the creature">thumb|A sketch of the creatureOthers suggest that the claims are merely misidentifications and/or heavily exaggerated sightings of modern crocodilians or Nile monitor lizards.
An unknown species of elongated Monitor lizard (Family Varanidae), also suggested by Roy Mackal.
The Badigui sighting may also refer to a cryptid that is similar, such as Mokele-mbembe. This is because Mokele-mbembe is known to be highly aggressive and territorial, and even kills hippos, despite being a herbivore - the Mokele-mbembe is said to eat from a type of liana-like plant called malombo.
Source: Roy P. Mackal, A Living Dinosaur? In Search of Mokele-Mbembe (Leiden, the Netherlands: E. J. Brill, 1987), pp. 255–266.
thumb|Nguma Monene in the youtube short film "On The Way To Trevis"">thumb|Nguma Monene in the youtube short film "On The Way To Trevis"
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