Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: December 31st, 2022.
 
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Genus
Cerberus
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Dog-faced Water Snakes, Bockadams
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Hundskopf-Wassertrugnattern
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Hundehovedsnoge
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1829 |  |
Cerberus Cuvier (type species: Coluber cerberus Daudin 1803) |
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1803 | |
Hurria Daudin (type species: Hurria bilineata Daudin 1803; syn. Murphy 2007) |
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1820 | |
Strephon Goldfusz (type species: Hurria bilineata Daudin 1803; syn. Murphy 2007) |
Contents:
5 species, of which 2 (40.0%) are endemic.
Endemism: 0%  100%
Distribution:
S. Asia, Malay Archipelago, N. Australia.
Reported from:
Australia
(Northern Territory,
Queensland
[incl.
Torres Strait Islands],
Western Australia),
Bangladesh,
Brunei,
Cambodia,
East Timor,
India
(Andaman & Nicobar Islands
[Andaman Islands,
Nicobar Islands],
Andhra Pradesh,
Goa,
Gujarat,
Karnataka,
Kerala,
Maharashtra,
Odisha,
Tamil Nadu,
West Bengal),
Indonesia
(Ambon,
Babi,
Bacan,
Bali,
Banggai Islands,
Bangka,
Bawean Islands,
Buru,
Buton,
Enggano,
Flores,
Gorong Archipelago,
Halmahera,
Java,
Kabaena,
Kalimantan,
Karimunjawa Islands,
Komodo,
Lembata,
Lombok,
Madura,
Muna,
Natuna Islands,
Nias,
Riau Islands,
Rinca,
Rote,
Sangir Islands,
Saparua,
Savu,
Seram,
Siberut,
Simeulue,
Sipura,
Sudarso Island,
Sula Islands
[Sanana],
Sulawesi,
Sumatra,
Sumba,
Sumbawa,
Talaud Islands,
Tanahjampea,
Tanimbar Islands,
Ternate,
Togian Islands,
Weh,
West Timor,
Western New Guinea,
Wetar),
Malaysia
(Sabah,
Sarawak,
West Malaysia
[incl.
Seribuat Archipelago,
(incl.
Tioman)]),
Myanmar,
Palau,
Philippines
(Balbagon,
Bantayan,
Bohol,
Catanduanes,
Cebu,
Dinagat,
Jaguliao,
Leyte,
Luzon,
Marinduque,
Masbate,
Mindanao,
Negros,
Palawan,
Panay,
Sibuyan,
Siquijor,
Sulu Islands
[Jolo],
Tablas,
Ticao),
Singapore,
Sri Lanka,
Thailand,
Vietnam.
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Cerberus australis
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Australian Dog-faced Water Snake, Australian Bockadam
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Australische Hundskopf-Wassertrugnatter
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Australsk Hundehovedsnog
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1842 | |
Homalopsis australis Gray |
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Cerberus australis Gray 1849 |
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Cerberus rynchops australis Loveridge 1948 |
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1948 | |
Cerberus rynchops novaeguineae Loveridge (Murphy 2007) |
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Cerberus novaeguineae Iskandar & Colijn 2001 |
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1985 | |
Cerberus montgomeryi Wells & Wellington (Murphy 2007) |
Remarks:
Gyi (1970) recognized australis as a separate species, but many authors did not followed this arrangement (e.g., Cogger, Cameron & Cogger 1983; Storr, Smith & Johnstone 1986), although some did (e.g., Aplin & Smith 2001; Murphy 2007).
However, the results of Alfaro, Karns, Voris, Abernathy & Sellins (2004) and Murphy, Voris & Karns (2012) strongly supports the validity of the species.
Iskandar & Colijn (2001) listed novaeguineae as a separate species, but without discussion or references.
Although reported from Eastern New Guinea (Papua New Guinea) (e.g., Whitaker, Whitaker & Mills 1982 [as rynchops]), the species has (in New Guinea) so far only been reported from Western New Guinea (Indonesia) (O'Shea 1996).
Known from a single specimen from Sumba, which may represent a waif (Murphy & Voris 2014) and is regarded as such herein.
Introduced to:
Indonesia
(Sumba, see remarks).
Distribution:
Australia
(Northern Territory,
Queensland
[incl.
Torres Strait Islands],
Western Australia),
Indonesia
(Sudarso Island,
Western New Guinea).
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Cerberus dunsoni
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Palau Dog-faced Water Snake, Palau Bockadam
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Palau-Hundskopf-Wassertrugnatter
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Palau-hundehovedsnog
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2012 | |
Cerberus dunsoni Murphy, Voris & Karns |
Distribution:
Palau.
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Cerberus microlepis
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Lake Buhi Dog-faced Water Snake, Lake Buhi Bockadam
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Luzon-Hundskopf-Wassertrugnatter
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Luzon-hundehovedsnog
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1896 | |
Cerberus microlepis Boulenger |
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Hurria microlepis Taylor 1922 |
Distribution:
Philippines
(Luzon).
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Cerberus rynchops
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Western Dog-faced Water Snake, South Asian Bockadam
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Westliche Hundskopf-Wassertrugnatter
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Vestlig Hundehovedsnog
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1799 | |
Hydrus rynchops Schneider |
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Enhydris rynchops Sonnini & Latreille 1801 |
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Homalopsis rhynchops Cantor 1847 |
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Cerberus rynchops Günther 1864 |
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Hurria rynchops Stejneger 1907 |
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1802 | |
Hydrus cinereus Shaw (Murphy, Voris & Karns 2012) |
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Cerberus cinereus Cantor 1839 |
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1803 | |
Coluber cerberus Daudin (Murphy, Voris & Karns 2012) |
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Homalopsis cerberus Fitzinger 1823 |
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Cerberus cerberus Cuvier 1829 |
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1803 | |
Hurria bilineata Daudin (Murphy 2007) |
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1820 | |
Python rhynchops Merrem [unjustified emendation of Cerberus rynchops Schneider 1799] |
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Homalopsis rhynchops Cantor 1847 |
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Cerberus rhynchops Günther 1864 |
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1820 | |
Python molurus Merrem [not Coluber molurus (=Python molurus [Pythonidae]) Linnaeus 1758] (Murphy, Voris & Karns 2012) |
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1836 | |
Cerberus grantii Cantor (Murphy, Voris & Karns 2012) |
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1828 | |
Cerberus russelli Cuvier (Murphy, Voris & Karns 2012) |
Remarks:
Previously included schneiderii. A single record from Pakistan is considered doubtful (Khan 2002; Murphy 2007; Murphy, Voris & Karns 2012).
Distribution:
Bangladesh,
India
(Andaman & Nicobar Islands
[Andaman Islands,
Nicobar Islands],
Andhra Pradesh,
Goa,
Gujarat,
Karnataka,
Kerala,
Maharashtra,
Odisha,
Tamil Nadu,
West Bengal),
Myanmar,
Sri Lanka,
Thailand.
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Cerberus schneiderii
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South East Asian Dog-faced Water Snake, Southeast Asian Bockadam
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Südostasiatische Hundskopf-Wassertrugnatter
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Sydøstasiatisk Hundehovedsnog
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1837 | |
Homalopsis schneiderii Schlegel |
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Cerberus schneiderii Murphy, Voris & Karns 2012 |
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1849 | |
Cerberus acutus Gray (Murphy, Voris & Karns 2012) |
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1849 | |
Cerberus unicolor Gray (Murphy, Voris & Karns 2012) |
Remarks:
Previously regarded as a synonym of rynchops (e.g., Murphy 2007). Revalidated as a separate species by Murphy, Voris & Karns (2012).
Leviton, Siler, Weinell & Brown (2018) did not include Marinduque, Sibuyan, and Tablas in the distribution of the species.
Distribution:
Brunei,
Cambodia,
East Timor,
Indonesia
(Alor,
Ambon,
Babi,
Bacan,
Bali,
Banggai Islands,
Bangka,
Bawean Islands,
Buru,
Buton,
Enggano,
Flores,
Gorong Archipelago,
Halmahera,
Java,
Kabaena,
Kalimantan,
Karimunjawa Islands,
Komodo,
Lembata,
Lombok,
Madura,
Muna,
Natuna Islands,
Nias,
Riau Islands,
Rinca,
Rote,
Sangir Islands,
Saparua,
Savu,
Seram,
Siberut,
Simeulue,
Sipura,
Sula Islands
[Sanana],
Sulawesi,
Sumatra,
Sumba,
Sumbawa,
Talaud Islands,
Tanahjampea,
Tanimbar Islands,
Ternate,
Togian Islands,
Weh,
West Timor,
Wetar),
Malaysia
(Sabah,
Sarawak,
West Malaysia
[incl.
Seribuat Archipelago
(incl.
Tioman)]),
Philippines
(Balbagon,
Bantayan,
Bohol,
Catanduanes,
Cebu,
Dinagat,
Jaguliao,
Leyte,
Luzon,
Marinduque,
Masbate,
Mindanao,
Negros,
Palawan,
Panay,
Sibuyan,
Siquijor,
Sulu Islands
[Jolo],
Tablas,
Ticao),
Singapore,
Thailand,
Vietnam.
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