Fikou

Fikou were dangerous tree spider Rahi that were commonly found in Le-Wahi vines, Le-Metru chutes, and Onu-Metru. It came in orange and black coloring, with the orange ones being found in Le-Wahi more commonly. A variety with pincers and a stinger had been seen on Voya Nui.

Trivia
The Fikou was one of the models you could build in the BIONICLE Master Builder Set.

In BIONICLE HEROES, the black fikou spider is very common. It's found in boulders and bionicle parts. However, its head is backwards.