On Rossel Island, Kraus found Dendrelaphis melanarkys, or the black net tree snake. This 4-foot, 11-inch reptile is easier to ...

Herpetologist Fred Kraus discovered a new arboreal snake species, Dendrelaphis atra, on Misima Island in Papua New Guinea.

The intriguing new species, spanning around four feet and one inch in length, was found to have a "matte black" coloring.

The most venomous snakes in Arizona include rattlesnakes, sidewinders and coral snakes. Here's where they live and how to ...

Fred Kraus was the visiting scientist on a mission to explore the habitats of the tree-dwelling snakes of the region, but as he crossed a local mining site, a large, black-eyed snake caught his ...

Additionally, many calm snake species have striking appearances and interesting habits ... Despite its intimidating name, the California kingsnake is a gentle species that adapts well to captivity. It ...

Unlike other related species, atra tree snakes darken in color as they age, Kraus said. A smaller, younger snake had a “gray brown” hue while older, larger snakes were “uniformly black.” ...

There are 14 venomous snake species in Arizona ... They have bright red and black bands separated by narrower yellow or white bands. They are slender and typically 12 to 21 inches at maturity.