A Speckled Rattlesnake. Image by Foto-Rabe via Pixabay. Rattlesnakes are part of the pit viper family, known for their potent venom. Their venom contains enzymes that can disrupt blood clotting, ...

The Eastern Indigo Snake (Drymarchon couperi), known for its lustrous, blue-black scales, is one of North America’s most fascinating and important snake species. As the longest native snake in the ...

ABSTRACT. Here we describe a new hypopomid species, Microsternarchus javieri n. sp., encountered in flooded savanna streams of the Branco River and in terra-firme streams in the mid- and lower ...

Two new species of loricariid catfishes, Parotocinclus bidentatus and P. muriaensis, are described from the rio Paraíba do Sul basin. They possess accessory unicuspid teeth located internally to the ...

Pogoniulus bilineatus Taxonomy Version: IOC 10.2 All Ranks Domain Kingdom Subkingdom Phylum Subphylum Superclass Class Subclass Infraclass Superorder Order Suborder Infraorder Superfamily Family ...