Hydrodynastes gigas is a New World species of large, rear-fanged, Dipsadin snake endemic to South America. It is commonly and alternatively known as the...

to South America. Two species are recognized. Hydrodynastes bicinctus (Herrmann, 1804) Hydrodynastes gigas (A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854)...

and produce a hood when threatened: p.30  The false water cobra (Hydrodynastes gigas) is the only "cobra" species that is not a member of the Elapidae...

Afronatrix anoscopus Hydrops (snake) Hydromorphus Hydrodynastes species, including: Hydrodynastes gigas – false water snake or Brazilian smooth snake Natrix...

Another large species in this family is the false water cobra (Hydrodynastes gigas) reaching a length of 3 m (9.8 ft), and a mass of 4.56 kg (10.1 lb)...

Kenya and Tanzania Hyaenodon gigas, an extinct mammal species Hydrodamalis gigas, an extinct sirenian Hydrodynastes gigas, a rear-fanged venomous colubrid...

octosetaceus, Vanellus chilensis and Amazona vinacea. Reptiles: Hydrodynastes gigas, Eunectes notaeus and Dracaena paraguayensis. Mammals: Myrmecophaga...

melanogaster Hydrelaps Hydrelaps darwiniensis Hydrodynastes Hydrodynastes bicinctus Hydrodynastes gigas Hydrodynastes melanogigas Hydromorphus Hydromorphus concolor...

Günther, 1861 Helicops trivittatus (Gray, 1849) Hydrodynastes bicinctus (Herrmann, 1804) Hydrodynastes gigas (A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854)...

diamondback rattlesnake (Crotalus adamanteus) False water cobra (Hydrodynastes gigas) Gabon viper (Bitis gabonica) Green anaconda (Eunectes murinus) Green...

represented by species such as the yellow anaconda (Eunectes notaeus) and Hydrodynastes gigas, a large water snake. Wikimedia Commons has media related to Parque...