Explosively Reproducing Critter

Some small alien reproduces at an incredible rate, quickly either exhausting local food resources or filling up all available space.

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Examples

• 1952 The Rolling Stones

  Mars has native creatures called "flatcats" that pleasantly purr when petted, but invade all ducts and crawlspaces, reproducing quickly.

• 1967 The Trouble with Tribbles (Star Trek)

  Tribbles are small fuzzy creatures that purr and quickly eat all available food, filling up a grain store. Described as being "born pregnant".

• 1974 The Mote in God's Eye

  The Moties themselves reproduce at an alarming rate, which causes their periodic population collapses.