A free new DLC will be coming for ARK : Survival Evolved later this year that includes a brand new map called Lost Island and 3 brand new creatures.
The map is 150 sq. kilometre and will feature mysterious ruins to go explore. Boasting various biomes there will be something for every one to enjoy.
With the new map they will be adding 3 brand new creatures as well, one of them being the spiny Amargasaurus. Here's their description of it :
Of all the creatures in the sauropod family, Amargasaurus titanicus is likely the most unique looking. It sports two parallel rows of dorsal spines down the length of its neck, back, and tail--though the neck spines are significantly longer than the back or tail spines. These spines are a remarkable adaptation, giving Amargasaurus unmatched control of its body temperature. Made even more incredible by their time on ARKs, these spines store both extreme heat AND extreme cold, effectively allowing Amargasaurus to live comfortably in any environment. Its sails also make it an abnormally capable swimmer, for a sauropod.
Unlike most sauropods, Amargasaurus is very prone to violence, attacking most predators (and humans!) on sight. I suspect this behavior developed alongside the dangerous spines it uses as weapons.
Once finally tamed, it's no surprise that Amargasaurus' spines are its best feature. If removed early, their thermal storage becomes erratic, which is perfect for catalyzing sap development in many trees.
Some tribes, of course, adapted this thermal quirk for combat. By having Amargasaurus eject a spine before it sheds naturally, the freezing/warming waves that emanate from the spike play havoc with armor in the area. Interestingly, simple armor is barely affected, while more complex armor is more heavily affected.
I for one can't wait to go explore another brand new map, there's always been breath taking vistas and interesting areas to discover in all the previous maps for me, and I'm sure this one won't disappoint either!