Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update:
October 21st, 2024.
 
|
Genus
Grayia
 |
Equatorial African Water Snakes
|
 |
Afrikanische Wassernattern
|
 |
Ækvatorialafrikanske Vandsnoge
|
|
1857 |  |
Heteronotus Hallowell [not Heteronotus Laporte-Castelnau 1832 (Insecta)] (type species: Coronella triangularis Hallowell 1854) |
|
1858 | |
Grayia Günther (type species: Grayia silurophaga Günther 1858) |
|
1862 | |
Glaniolestes Cope in Slack [substitute name for Heteronotus Hallowell 1857] |
|
1863 | |
Lejonotus Jan (type species: Lejonotus schlegeli Jan 1863) |
|
1863 | |
Xenurophis Günther (type species: Xenurophis caesar Günther 1863; syn. Williams & Wallach 1989) |
|
1866 | |
Macrophis Bocage (type species: Macrophis ornatus Bocage 1866) |
Contents:
5 species, of which 1 (20.0%) is endemic.
Endemism: 0%  100%
Distribution:
Equatorial Africa.
Reported from:
Angola
(incl.
Cabinda),
Benin,
Burkina Faso,
Burundi,
Cameroon,
Central African Republic,
Chad,
Congo-Brazzaville,
Congo-Kinshasa,
Equatorial Guinea
(Bioko,
Rio Muni),
Ethiopia,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Ivory Coast,
Kenya,
Liberia,
Mali,
Niger,
Nigeria,
Rwanda,
Senegal,
Sierra Leone,
South Sudan,
Sudan,
Tanzania,
Togo,
Uganda,
Zambia.
| |
|
Grayia caesar
|
Long-tailed Water Snake, (Caesar's Water Snake)
|
|
Langschwanz Wassernatter
|
|
Langhalet Vandsnog
|
|
1863 | |
Xenurophis caesar Günther |
|
| |
Grayia caesar Boulenger 1915 |
Remarks:
Chippaux & Jackson (2019) included Nigeria in the distribution, but no localities in the country were shown in their map.
No other references have been found to support the presence of the species in Nigeria.
Distribution:
Angola
(Cabinda),
Cameroon,
Central African Republic,
Congo-Brazzaville,
Congo-Kinshasa,
Equatorial Guinea
(Bioko,
Rio Muni),
Gabon.
|
|
|
Grayia obscura
|
Kivu Water Snake
|
|
Kivu-Wassernatter
|
|
Kivu-vandsnog
|
|
2024 | |
Grayia obscura Chaney, Greenbaum & Pauwels in Chaney, Pauwels, Nagy, Gvozdik, Kusamba, Badjedjea, Masudi, Akuboy, Ernst, Trape, Chirio, Conradie, Keates, Wallach, Zassi-Boulou, Vaughan & Greenbaum |
Remarks:
Records of ornata from Zambia (e.g., Pietersen, Verburght & Davies 2021) are tentatively assumed to represent obscura, pending confirmation.
Distribution:
Angola,
Congo-Kinshasa,
Zambia.
|
|
|
Grayia ornata
|
Ornate Water Snake
|
|
Pracht-Wassernatter
|
|
Pragt-vandsnog
|
|
1866 | |
Macrophis ornatus Bocage |
|
| |
Grayia ornata Boulenger 1910 |
|
1887 | |
Grayia furcata Mocquard (Chippaux 2001) |
Remarks:
Records of ornata from Zambia (e.g., Pietersen, Verburght & Davies 2021) are tentatively assumed to represent obscura, pending confirmation.
Distribution:
Angola
(incl.
Cabinda),
Burundi,
Cameroon,
Central African Republic,
Congo-Brazzaville,
Congo-Kinshasa,
Equatorial Guinea
(Rio Muni),
Gabon,
South Sudan.
|
|
|
Grayia smythii
|
Equatorial Water Snake, (Smyth's Water Snake)
|
|
Äkvatoriale Wassernatter
|
|
Ækvatorial Vandsnog
|
|
1818 | |
Coluber smythii Leach |
|
| |
Grayia smythii Boulenger 1894 |
|
1854 | |
Coronella triangularis Hallowell (Loveridge 1957) |
|
1858 | |
Grayia silurophaga Günther (Loveridge 1957) |
|
1863 | |
Lejonotus schlegeli Jan (Loveridge 1957) |
Remarks:
Specific epithet occasionally misspelled smithii (e.g., Laurent 1956; Witte 1962; Trape & Baldé 2014).
Distribution:
Angola
(incl.
Cabinda),
Benin,
Burkina Faso,
Cameroon,
Central African Republic,
Chad,
Congo-Brazzaville,
Congo-Kinshasa,
Equatorial Guinea
(Rio Muni),
Ethiopia,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Ivory Coast,
Kenya,
Liberia,
Mali,
Niger,
Nigeria,
Senegal,
Sierra Leone,
South Sudan,
Tanzania,
Togo,
Uganda.
|
|
|
Grayia tholloni
|
Nandi Water Snake, (Thollon's Water Snake)
|
|
Nandi-Wassernatter
|
|
Nandi-vandsnog
|
|
1897 | |
Grayia tholloni Mocquard |
|
1901 | |
Grayia fasciata Boulenger (Loveridge 1957) |
Remarks:
Records from Chad refer to smythii, according to Trape, Kodindo, Djiddi, Mad-Toïngué & Kerah (2020).
Nevertheless, Chaney & al. (2024) still included Chad in the distribution of tholloni, but without plotting any localities in the range map,
and without listing any examined specimens from the country.
Distribution:
Angola,
Burundi,
Cameroon,
Central African Republic,
Congo-Brazzaville,
Congo-Kinshasa,
Ethiopia,
Gambia,
Guinea,
Kenya,
Nigeria,
Rwanda,
Senegal,
South Sudan,
Sudan,
Tanzania,
Uganda,
Zambia.
|
|
|