In the world of reptiles, one fascinating aspect that often captures the attention of naturalists is sexual dimorphism. This phenomenon, where males and females of the same species exhibit differences…
Europe has few aquatic snake species, all in the natricid genus Natrix.
South America South America has a rich aquatic snake fauna, undoubtedly due to the large river basins of the Orinoco and Amazon and many smaller rivers, and the ancient Pebas…
Aquatic North American snakes represent three family/subfamily level clades, Dipsadidae, Natricidae, and Viperidae.
Lake Songkhla has perhaps the most diverse assemblage of water-dwelling snakes globally.
Aipysurus laevis from "Erpetologie Generale ou Histoire Naturelle Complete des Reptiles" Pl 77bis. Aipysurus laevis Lacépède, 1804 = Aipysurus fuliginosus Duméril, Bibron & Duméril, 1854
Bhaisare and Pelling (2015)report on diving behavior in Trimeresurus malabaricus, a species otherwise considered a terrestrial-arboreal snake. The authors based their report on two observations made on free-ranging Malabar Pit…
The taxonomic position of the rare Selangor Mud Snake Raclitia indica Gray to other species of homalopsids has remained uncertain due to the scarcity of specimens in collections and the…
To the right – Enhydrina schistosa. Photo credit: Aaron Lobo The first major survey of marine snakes was published by Malcolm Smith and covered the coastal areas of the Gulf…
Rhabdops aquaticus sp. nov. showing coloration in life of: A) larger (presumably adult) specimen from Baraki, and B) smaller (possibly juvenile) specimen from Amboli. Specimens not collected. Several years ago…
Eurostus dussumierii Duméril, Bibron and Duméril, 1854: 953. Holotype: MNHN c3458. Type locality: Bengal (in error). Corrected to Malabar Coast (Murphy, 2007: 109). Hypsirhina dussumierii: Jan, 1863: 78. Hypsirhina malabaricaWerner,…
Microcephalophis cantoris, a new record for the Persian Gulf The Persian Gulf is a semi-enclosed shallow marine environment with a mean depth of about 35 meters lying in a subtropical…
Helicops nentur. Helicops is a genus of 16 species of Neotropical watersnakes. Using morphological and genetic data, Costa and colleagues (2016) identify a new species of this genus in the…
Diet, female reproduction and conservation of Jagor’s water snake, Enhydris jagorii in Bung Ka Loh wetland, Uttaradit province, Thailand Chattraphas Pongcharoena, b, Harold K. Vorisc, Tosak Seelanand, Art-Ong Pradatsundarasarb, Kumthorn…
Hydrops caesurus Scrocchi, Ferreira, Giraudo, Avila and Motte 2005. Type locality: Departamento Itapúa, Isla Paloma, Canal de los Jesuitas, Paraguay. Hydrops triangularis bolivianus — Williams and Couturier 1984 Hydrops triangularis…
Elaps Martii Wagler 1824. Type locality: Provincia Maranhao, Rio Itapicuru, Brazil Hydrops Martii — Wagler 1830: 170 Homalopsis Martii — Schlegel 1837: 356 Hydrops callostictus Günther 1868: 421 Calopisma martii…
Elaps triangularis Wagler 1824: 5. Type locality: Ega (= Tefé) Lago Tefé, at confluence with Rio Amazon, Brazil. Hydrops triangularis – Wagler 1830: 170 Hydrops triangularis bassleri Roze 1957:83 Hydrops…
Coluber angulatus Linnaeus 1758: 217. Type locality: “Asia” (in error).Coluber alidras Linnaeus 1758:Coluber Surinamensis Shaw 1802: 460Natrix aspera Wagler 1824: 37Helicops angulatus — Wagler 1830: 171Helicops fumigatus Cope 1868: 308Helicops…
Helicops carinicaudus (Wied-Neuwied 1825) Coluber carinicaudus Wied-Neuwied 1825: 300. Holotype: AMNH 3365, a 909 mm specimenHomalopsis carinicaudus — Schlegel 1837: 350Helicops carinicaudus — Wagler 1830: 170. Distribution. Brazil (Espirito Santo,…
Holotype: UFMT-R 8512, adult male, collected on 27 October 2009 by Carolina L. Cavlac. Diagnosis. Helicops apiaka sp. nov. is distinguished from all congeners by the following combination of characters:…