The Fin Barbs were Toa Hordika Nokama's mutated version of Hydro Blades. They were used for underwater climbing and digging, charging up her Rhotuka Water spinner, and could also function as a melee weapon.
In Vengeance of the Visorak, Nokama used her Fin Barbs to charge a Water Rhotuka.
The Nokama Hordika canister set contained two fin barbs. The base of each was dark blue and made of hard plastic, while the top was made of softer, more rubbery plastic in a silver color.
- In Web of Shadows, the Fin Barb's top was depicted to be able to shoot out like a harpoon.
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