The SCI‐FI‐I‐SPY Catalogue of All Known Types of Alien

Identification: spacefaring blobs, ranging in size from the ones that clog your starcruiser's radiator grill to the ones that engulf your planetary system

Variants: space‐mould infestations, space‐protozoa, and sex‐mad space‐jellyfish

Also Known As: Macrobes, Galacto‐Nebulitis, or Lurgii

Origin: most prevalent in the galaxy's large intestine

LOOKS: sometimes have surprisingly shapely and graceful vesicles D
BRAINS: they don't even have a central nervous system 0
LETHALITY: they could swallow a fair‐sized asteroid, but they're probably more scared of you than you are of them 0.95
CULTURE: would require an awful lot of agar 00
HARDNESS: about as scientifically feasible as gastric quasars ½
TOKENISM: token prokaryotes 60

Affiliated With: the Conciliary Ententicles (flagella count)

Favourite Colour: blue‐green

Motto: divide and conquer

Gram Staining: positive

Weakness: the biomechanical square‐cube law

Not To Be Confused With: the Astrolocustoids, who bite instead of sucking