The moonless conditions on the night of the tragedy meant the ship’s Lookouts were unable to see the approaching iceberg until it was too late to avoid collision.
And so, like, what we do as scorpion scientists is we go out at night, usually on a moonless night, because that's when scorpion activity is the highest.
It's actually easier than it sounds to look for scorpions on a moonless night because they have these fluorescent compounds in their exoskeletons and they glow under UV light.