Designed by Paul Smith 2006. This website is copyrighted by law.
Material contained herewith may not be used without the prior written permission of FAUNA Paraguay.
Photographs on this web-site were taken by Alberto Esquivel, Ted Miller and José Luis Cartes and are used with their permission.
RIO TROPICAL RACER Mastigodryas bifossatus
Reaching a maximum length of 2m, this a forest-dwelling snake. It is non-venomous and relies on its speed for defence. However like all large snakes it is capable of giving a painful bite if cornered.
Click on the images to enlarge them.
FIGURE 1

FIGURE 1
FIGURE 2

FIGURE 2
FIGURE 3

FIGURE 3
FIGURE 4

FIGURE 4
FIGURE 5

FIGURE 5
FIGURE 1 - Adult ssp triseriatus presumably, Estancia Kanguery, PN San Rafael (Alberto Esquivel undated - ECOSARA Biodiversity Database).
FIGURE 2 - Same indiviudal dorsal view (Alberto Esquivel undated - ECOSARA Biodiversity Database).
FIGURE 3 - Adult head detail, Colonia Santa Ana, PN San Rafael (José Luis Cartes 2001 - ECOSARA Biodiversity Database).
FIGURE 4 - Same individual as Figs 1-2 dorsal head detail (Alberto Esquivel undated - ECOSARA Biodiversity Database).
FIGURE 5 - Adult swimming, Departamento Ñeenmbucú (Ted Miller November 2008).