et Pseudohaje goldii et les pythonidés du genre Python. Cerberus rynchops, also known as the New Guinea bockadam, South Asian bockadam, bockadam snake, or dog-faced water snake, is a mildly venomous species of a snake in the family Homalopsidae. can be distinguished from all other members of the genus with 23 scales rows at midbody by its rounded, juxtaposed, plate-like scales on the crown; these scales appear to be thickened compared to the scales of other Cerberus The scales on the crown anterior to the level of the angle of the jaw usually lack keels; all other Cerberus University of Michigan, Museum of Zoology, Smithsonian Institution, National Museum of Natural History. Australian Government Publishing Service, Canberra. Cerberus australis Edit Edit While this may be based on an aberrant specimen of C. schneiderii The biology and evolution of Australian snakes. Surrey, Beatty and Sons, Sydney, 350 pp. Edit home › Ventrals 147, rounded; subcaudals divided 44 / 45, tail tip missing (subcaudal counts incomplete). AMNH 70651 has 18 scale rows anterior to the vent, 146 ventrals, 52 / 51 subcaudals, 14 / 15 lower labials. Most (82 %) specimens have the preocular scale in contact with the upper labials 3-5; however, the preocular scale did not contact the upper labials in all (n= 3) of the specimens from the Edward River, Queensland population we examined (this same population also showed a horizontally divided postocular). — Gray 1849: 65; Krefft 1869: 22; Boulenger 1896: 18; Kinghorn 1926: 74; Kopstein 1926: 90; Kinghorn 1929: 90; Barrett 1950: 113; Glauert 1950: 20; Kinghorn 1956: 90; Karns et al. which has 27–29 scale rows at midbody. Dorsal scale rows 25 on neck, 23 at midbody, 17–19 at posterior body. Most recent authors (e.g. A Guide to the Snakes of Papua New Guinea. [review in Sauria 26 (3): 32]. — Boulenger 1890: 375. Univ. australis: 'southern', or more generally referring to Australia. L'élapidé Laticauda crockeri, bien qu'appartenant au groupe des serpents marins, est endémique de l'île Rennell aux Salomon. Cerberus schneiderii usually has 23 scale rows at mid-body (rarely 21 or 25), the first upper labial usually contacts the loreal [from MURPHY et al. This specimen is the only documentation of C. australis Phylogeny of Cerberus (Serpentes: Homalopsinae) and phylogeography of Cerberus rynchops: diversification of a coastal marine snake in Southeast Asia. Gyi, Ko Ko 1970. TABLE 3. Cerberus rynchops Murphy (2007) synonymized C. r. novaeguineae Loveridge De plus, divers homalopsidés vivent aussi en Australasie : Cerberus australis (fréquentant principalement les eaux saumâtres et marines), Djokoiskandarus annulata, Heurnia ventromaculata et Pseudoferania polylepis. Lower labials 13, with 1–4 contacting anterior chin shield. Edit However, of 28 sides examined the dorsal scale was larger than the ventral scale in 27 (96 %) instances. On comptabilise 153 espèces actuelles parmi six familles qui fréquentent plus ou moins régulièrement des milieux aquatiques d'eau douce. is known only from the Palau Islands, Federated States of Micronesia. Elles se répartissent dans toutes les écozones du monde, mise à part celle d'Antarctique[1]. & Swan, G. 2003. Paratypes. Edit Edit Reptiles and Amphibians of Australia, 6th ed. La diversité (en) des serpents d'eau douce en écozone australasienne est une des faibles avec le paléarctique. 2012]. The type specimen and the paratype AMNH 116020 are from Arakabesang Island. off the Sahul Shelf that we are aware of, and combined with Kopstein’s observations suggests the species has been able to cross Weber’s Line. -. Edit Cerberus rynchops australis Chez les natricidés, Xenochrophis vittatus étend possiblement sa … A female, AMNH 116021 from Micronesia: Palau Islands: Arakabesang (formerly Ngerekebesang) Island (~ 7 ° 20 ’N 134 ° 27 ’E). [Placed in the synonymy of C. australis Edit Edit Etymology. Couleuvre à jarretière de Santa Cruz (Thamnophis atratus). Journal of Biogeography 31:1277-1292. Un serpent (semi-)aquatique est un serpent qui vit partiellement ou entièrement dans l'eau, que ce soit en eau douce (cours d'eau ou plan d'eau) ou en eau de mer. The dog-faced water snakes, a revision of the genus Cerberus Cuvier, (Squamata, Serpentes, Homalopsidae), with the description of a new species. Cerberus rynchops based upon significant shared morphology summarized in Table 3. Call 1 300 773 948 for Siemens national sales support. Reptiles and Amphibians of Australia, 7th ed. The parietal scales in other Cerberus BMC Research Notes 2009, 2:53 for further explanation. Publs. Zootaxa 3484: 1–34 -, O'Shea,M. MURPHY, JOHN C.; HAROLD K. VORIS & DARYL R. KARNS, 2012. Two color morphs from the Northern Territory, vicinity of Darwin. . Wilson,S. inhabits the Sahul Self on the north coast of Australia from near Derby, Western Australia (~ 17 ° 15 ’S 123 ° 41 ’E) westward along the north coast to the Cape York Peninsula in Queensland Australia (~ 11 °03’S 142 °09’E). has 25 scale rows at mid body (rarely 23); keeled scales on the crown anterior to the angle of the jaw, and the last two upper labials are horizontally divided. Wilson and Swan’s (2003) and Cogger’s (2004) distribution maps show it present as far north as the tip of the Cape York Peninsula.
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