Six of them, in the coconut palms. Nighttime creatures only.
Territorial about their insects and very full of themselves about it. “This is our territory, get out of here!”
They gave up the location of the sea cave freely, because the man hiding in it had been making noise and keeping them awake through the day, and they wanted him gone.
They would not share the bugs.
Lucky Joe pointed out that crabs are a lot like bugs, and that you can pick one up, carry it high, and drop it on a rock. They looked at him as though he were the cleverest creature they had ever met and left immediately to go and do it.
Nobody warned them about the artillery.