Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: October 31st, 2023.
 
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Genus
Grayia
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Equatorial African Water Snakes
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Afrikanische Wassernattern
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Ækvatorialafrikanske Vandsnoge
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1857 |  |
Heteronotus Hallowell [not Heteronotus Laporte-Castelnau 1832 (Insecta)] (type species: Coronella triangularis Hallowell 1854) |
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1858 | |
Grayia Günther (type species: Grayia silurophaga Günther 1858) |
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1862 | |
Glaniolestes Cope in Slack [substitute name for Heteronotus Hallowell 1857] |
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1863 | |
Lejonotus Jan (type species: Lejonotus schlegeli Jan 1863) |
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1863 | |
Xenurophis Günther (type species: Xenurophis caesar Günther 1863; syn. Williams & Wallach 1989) |
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1866 | |
Macrophis Bocage (type species: Macrophis ornatus Bocage 1866) |
Contents:
4 species, none of which are 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,
Tanzania,
Togo,
Uganda,
Zambia.
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|
Grayia caesar
|
Long-tailed Water Snake, (Caesar's Water Snake)
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Langschwanz Wassernatter
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Langhalet Vandsnog
|
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1863 | |
Xenurophis caesar Günther |
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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.
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|
|
Grayia ornata
|
Ornate Water Snake
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|
Pracht-Wassernatter
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Pragt-vandsnog
|
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1866 | |
Macrophis ornatus Bocage |
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| |
Grayia ornata Boulenger 1910 |
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1887 | |
Grayia furcata Mocquard (Chippaux 2001) |
Distribution:
Angola
(incl.
Cabinda),
Cameroon,
Central African Republic,
Congo-Brazzaville,
Congo-Kinshasa,
Equatorial Guinea
(Rio Muni),
Gabon,
South Sudan,
Zambia.
|
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Grayia smythii
|
Equatorial Water Snake, (Smyth's Water Snake)
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|
Äkvatoriale Wassernatter
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Ækvatorial Vandsnog
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1818 | |
Coluber smythii Leach |
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| |
Grayia smythii Boulenger 1894 |
|
1854 | |
Coronella triangularis Hallowell (Loveridge 1957) |
|
1858 | |
Grayia silurophaga Günther (Loveridge 1957) |
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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.
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Grayia tholloni
|
Nandi Water Snake, (Thollon's Water Snake)
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|
Nandi-Wassernatter
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Nandi-vandsnog
|
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1897 | |
Grayia tholloni Mocquard |
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1901 | |
Grayia fasciata Boulenger (Loveridge 1957) |
Remarks:
Records from Chad refer to smythii (Trape, Kodindo, Djiddi, Mad-Toïngué & Kerah 2020).
Distribution:
Angola,
Burundi,
Cameroon,
Central African Republic,
Congo-Brazzaville,
Congo-Kinshasa,
Ethiopia,
Gambia,
Guinea,
Kenya,
Nigeria,
Rwanda,
Senegal,
South Sudan,
Tanzania,
Uganda,
Zambia.
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