Spinaquasaurus spinaquarius
Evolve from D. aquacanthus that move to zone H and zone 6 due to competition with the other wyvernsaurs, S. dracokillus and S. ostiumdracius. They grew larger to be able to fend off larger species in zone H and zone 3
This species are not truly aquatic as it also spends a lot of time in the coastal part of zone H. This species grows up to 3.2 feet. This species hunt solitarily but will tolerate others of its own kind. They can be seen resting in groups of 4-8 when not hunting but when hunting their is only usually 1-2. They feed on S. communis, S. quadwhiskerus,V. colonisuchus, V. coxaeiuncturam, baby P. natans, baby R. parvus, and A. oculus. This species have been known to able to wrestle and fend off larger species like R. parvus, P. natans, A. edselom and D. acrotyrannus. They are able to fend off larger species but slashing them with their claws , tail whip from behind or using their arms to wrestle with the other species while also biting on and thrashing with their long strong jaws. They still have a hump used as a swim bladder to store air in to float in water easily using a lack of energy, they will deflate their hump when their about to wrestle with terrestrial organisms.
When breeding mated pairs are usually bonded for life and newer males would try to impress females to get them pair to the male. When they are bond they will mate then lay their eggs(up to 5-10 eggs but only 2-4 survive) on a nest they dug. If the nest is going to be flooded they will relocate nest. Once the eggs hatch the mate pair would brood their young until subadult which they will chase them off to fend for themselves. If one of the mated pair dies the survived pair will morn for a week before going back to its regular basis but extreme old bonds may lead to the survive pair to not eat or even drink and would not leave their dead mate corpse alone and morns it until it dies aswel from starvation as if it wants to die with their mate.