@Shard, I think you should remove from this list the Citybane Termites, the Concrete Fish, the Toxicos, and the Biter Turtles. In their stead, I think you should replace them with
Electric Mice,
Euryales,
Shine Moths, and
geology. Let me explain why.
Electric Mice - Electric Mice are possibly the single most valuable animal we can study with Biologis actions. They amplify electric power and they're already being domesticated. Studying them will allow us to reduce blink spider casualties and improve our electric stuff, whether it be by increasing our general scientific knowledge, replicating their biological power cells*, using the mice themselves to generate power**, or some combination therein.
* We likely have our own, but the electric mice's may be better, or have some bits that'd let us improve our own.
** Codex Adeptus Mechanicus says that actual old-timely leather bellows are sometimes used as lungs, so I'm willing to bet that AdMech also legit makes use of rodents running in wheels to generate power, something that these electric mice would be good for.
Euryales - They're a People who we're in contact with. We're trading with them and they're even getting hired by some of our people as mercenaries.
Shine Moths - If we can domesticate them, we not only get access to potentially powerful warbeasts (which at this point is admittedly not a big deal at this point), we also get some really good silk to work with.
Geology - While electric mice are the best animal to study, Avernite geology is the single most important thing to study with Biologis out of everything. Magic rock, magic metal, magic crystal, etc. etc., there is a mother lode of untapped potentially literally under our feet, waiting for us to exploit it and reap substantial benefits. We're going on three hundred years disregarding perhaps the single most potent human-usable resource on the planet.
