Blubber Busters

Humans and space whales live in harmony among the stars. Why? Because we need them and they need us. The whales provide us with transport across the galaxy, access to exotic resources, and much-needed companionship. In return they only ask that we keep them healthy. Easy, right? For being such an ancient species living in deep space they're not too bright, We... have our work cut out for us. Their docile and cuddly demeanor make for perfect company in the lonely expanse though, so what kind of monster WOULDN'T do their best to make sure they're happy and free of disease?