Claiming inspiration from low-budget 1970s space epics, it's not just stock-art that has been used to illustrate - indeed spawn - each and every monster. Some ideas and concepts are clearly there... take for example the adorable little Breeder Poof, a tiny fluffy beast that reproduces like crazy, or at least exponentially, at the drop of a hat. The notes do not mention if they like triticale seeds, but any follower of the original Star Trek will recognise the inspiration for these little menaces!
There is a whole collection of other critters here, all with copious notes on appearance and behaviour along with stats and a picture, plus a section headed 'Role-Playing' that covers not just the creature in question but their role in society as well. Excellent material to help you embed your space monsters into the universe rather than just use them as a monster-of-the-week to provide a spot of combat exercise for the characters.
There are constructs and ancient dinosaur-like creatures, even humanoids, all ready to stride across worlds and do battle... or even be cute and cuddly. It's good to see the 'monster' concept firmly embedded into space gaming, it's not just a fantasy thing!