Fikou were dangerous tree spider Rahi commonly found in Le-Wahi vines, Le-Metru chutes, and Onu-Metru. They came in orange and black coloring, with the orange ones being more common. A variety with pincers and a stinger had been seen on Voya Nui. Fikou communicate using chirping sounds. They are best known for spinning incredibly intricate webs close to the ground and jumping out suddenly at passing prey.