A twitch in the tale

I feel every ship needs a ship’s cat. Am I right or am I correct?

The Lyra has a cat, Grim. I considered renaming him Elmo, as in St. Elmo’s Fire. But he’d been Grim from the beginning, and it just didn’t fit.

Grim was a stray who wandered onto the Lyra and decided to stay. Every once in a while, Tink threatens to leave him at the next port but all the appreciate his appetite for the bakweevils that infest the ship.

Bakweevils are endemic are cargo ships that ever carry foodstuffs. So...