Something lethal lurking in the deep

Mount Misery
Fish Aliens

Challenger's Hope
Hob hounds

Mistworld
Sandworms

Dune
Velociraptors

Jurassic Park
The Shrike

Hyperion Cantos
Xenomorphs

Alien
Slime Mold

In space, no one can hear you scream—and if you're picking up one of these books, that might be for the better.
Something lethal lurking in the deep
Fish Aliens
Hob hounds
Sandworms
Velociraptors
The Shrike
Xenomorphs
Slime Mold