A Desolation Called Peace (Teixcalaan #2)

by Arkady Martine

The pets—small furred things that vibrated pleasantly and ate vermin, a peculiar variant on cat that was endemic to Kauraan—had come aboard during their last plan-etfall there, when she’d still been Fleet Captain Nine Hibiscus of the Tenth Legion, not yaotlek yet. The pets had not been a problem—or something Nine Hibiscus had even known about—until they had decided to reproduce themselves, and moved into a Deck Five air duct to do it.

So, tribbles