Yes, I really would prefer to be brought in on these kind of things. While I applaud expediency in approving characters, those that know little of the individual species may tend to overlook certain aspects of a given race.
Now then: Iromakuanhe males usually have swept back horns, where as the females kind of tend to curve inward like the Gazelle. However this is not always the case. And I'd treat it as such. It's uncommon but does happen.
You got the age right, rounded up, kudos on that one.
Cohronl colonies were atypically spacebound, also good. Although they would've been in the Iruotl system. Not between on this 'frontier'. Despite it only being one solar system, a solar system as an incredible amount of empty space. And the distances you described in that little descriptor hadn't been traveled until AR 936, which was about three years ago.
Black Marketeering, and other "Grey" areas are more than welcome. Heck, the Iromakuanhe had a thriving criminal underground. I also give props on this.
Trade, in the Iromakuanhe culture is a dead language. One that has slowly begun being revived thanks to first contact with the Kikyo Sector species. Just think if Latin made a gradual comeback. The Iromakuanhe Trade variation is old, and may or may not have different syntax, words and so on. So he'd have to work at modernizing his Trade. Yamataian is a different beast all together, and I'd like to know the timeframe in which it took him to learn this more for reference.
Technology Operation is fine for the most part, just remember. The Iromakuanhe before the IRC Conferences had next to no presence in the Kikyo Sector. Which means Nepleslian technology may not be as familiar as you'd like. Unless he learned from the Freespacers. The Freespacers had taken refuge within Irutol for sometime to mine, repair, build and supply themselves before moving on. Giving you excellent opportunities to further flesh out and expand your skillset into something more well-rounded and feasible.
Nice choice of weapon in the HHG! But merely labeling "boxes" is a bit vague. Which boxes of what rounds? The standard HHG has some potent ones.