Research Specimen

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</image> <label>Age</label> <label>Status</label> <label>Biome</label> <label>Length</label> <label>Coordinates</label> <label>GoTo</label> <label>Debug Spawn</label> </infobox> This large predator was kept in the main aquarium of the Disease Research Facility for a long period of time for testing purposes. The skeleton is very odd in appearance, having a solid exterior shell, as well as an interior skeleton. The PDA notes shared skeletal traits with the Biter and Sand Shark, implying distant relation between the three species. It is assumed that this species died off around 1000 years ago due to Kharaa. This specimen is distantly related to five species still living on the planet today; the PDA notes shared skeletal traits with the Biter and Sand Shark, by extension this also makes Research Specimen Theta a relative of the Boneshark and Blighter, and a very distant relative of the Rockgrub.

Forearms

The forearms are unique amongst its relatives and seem to have evolved independently, as there is very little chance of relation to the Sea Emperor and Sea Dragon order and the skeletal structure of the arms differs greatly between them; whilst the Sea Dragon's - and presumably the Sea Emperor's - arms follow a more familiar structure with a ball and socket joint at the elbow, one upper bone, the humerus and two lower bones, the radius and ulna, Theta's arms are unique, with the humerus appearing to be made from two fused bones of equal size parallel to each other and rather than the ball and socket joint seen in the elbow of the Sea Dragon, it has a gliding joint composed of carpal bones.

Eyes

The secondary eyes appear considerably smaller and less developed that those found on the Sand Shark and Biter, in which they are indistinguishable from the front set of eyes in size and appearance. It can also be noted that the Boneshark lacks double eye sockets as well as any indication of their prior existence, meaning that it must have diverged sooner than the others.

Data Bank Entry

The skeletal remains of a vast predator, housed within an artificial habitat.

Habitat:
The environment constructed to house the specimen suggests it was kept alive in containment for research purposes for months, or even years. Organic matter indicates the habitat once supported extensive plantlife, though it has since decayed. When the facility collapsed this specimen was either left to die, or killed on the spot.
Evolution:
While it shares some skeletal traits with the biter and sandshark, including its distinctive double eye sockets, this fossilized specimen is significantly larger, and features unusual forearms rarely seen in aquatic species. This species has likely gone extinct in the past thousand years, and its evolutionary relatives have evolved almost beyond recognition.

Gallery

Research Specimen Theta in the Disease Research Facility