Parent Page: Fauna
The Rahi known as Ruki are minnow-like fish known for their powerful snapping jaws and habit of chewing through Matoran fishing nets. Although much smaller, the Ruki are a natural enemy of the Tarakava, and schools of them have been known to drive the larger Rahi off. They were most often found in the seas around Ga-Koro in Mata Nui.
The Ruki was released as part of the BIONICLE Master Builder Kit. It used 36 of the set's 102 pieces. The model's jaws would snap open and closed when pressing down its dorsal fin.
- BIONICLE Adventures 5: Voyage of Fear (Mentioned Only)
- BIONICLE Chronicles 4: Tales of the Masks (Mentioned Only)
- BIONICLE: Rahi Beasts (Mentioned Only)
- BIONICLE: Encyclopedia (Mentioned Only)
- BIONICLE: Encyclopedia Updated (Mentioned Only)
- BIONICLE: Quest for the Masks (Non-canonical Appearance)
- BIONICLE: The Game (Non-canonical Appearance)
- Ruki Building Instructions on LEGO.com (Instructions Begin on Page 17)
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