SHIMO is a byproduct of experimentation utilising residual DNA compositions from decades species of the family Machairodontinae (further paramachairodus, sister of megantereon, smilodon), primarily spliced between the more modern Felinae and ancestor Smilodon fatalis.

We've little benchmarked or tested this one. There are few papers on it, but its living behaviour is similar to our more modern big-cats, primarily being extremely territorial and fierce behavioural patterns. But, this of note, it strays away from packs and becomes a lone and deadly hunter unlike our modern comparisons.

Initial, and early tests showed it was receptive to hydrogen and oxygen compounds--it holds a dangerously low body temperature for a thick-furred beast, and is capable of freezing water on contact of varying speeds. This is unnatural, but due to the quick, and volatile evolutionary cycle of Raytraxians, it bonded with this strange genetic deformity and it has become present in most, if not all Raytraxians of the Shimo mutation.

Further trials have yet to tell of any further ability. This was our third test of genetic splicing regarding prior geological epochs, but our first test of anything within the Holocene period that is now otherwise extinct.