This is the Harpy, the fighter jet of the Tyranid fleet. The model is based on the 40K tabletop game figurine.
The last of the Tyranids, the Hiveship. Design by Edouard Boccard.
... and some rocks I made for the game. All of this and more in the latest gameplay trailer below the images. This is a team effort, full credits...
I can't show much more right now, soon after the launch I'll make proper posts for my work on Battlefleet Gothic Armada II!