Here's a more humorous introduction to the Candiru fish from "The Rundown" with the Rock: The Rundown - Canduri Fish

As to why you'd name your knife after one ... I have no idea smile.
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Victory awaits him who has everything in order — luck, people call it. Defeat is certain for him who has neglected to take the necessary precautions in time; this is called bad luck. Roald Amundsen