It's dark here and it looked like a fish, that's the whole point! If it didn't look like a fish, you'd be the worst angler in the ocean!

[Prefect has more or less stopped struggling now, but the net's still tangled around him, and he's not entirely happy with Riddick patching up his tail without letting him out first.]

The airbreathers don't care what we do. And you have to promise you won't break my neck when you're done with that!