Snakehead

Through this plantation ran a creek full of snakeheads and eels, its overflow swelling the swamp around it.

Why would they want to run? -- To get away from the snakeheads. -- What's that? -- The snakeheads pay to get them here and then they gotta work off what they owe.

[…] but snakeheads involved in air smuggling may venture into sea smuggling. A thirty-two-year-old housewife from Fuzhou who left China by boat alleged that her snakehead was involved in both.