penis fish

From penis +‎ fish.

• (catfish): From its apocryphal ability to enter the penis.
• (worm): From its appearance resembling a human penis.

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penis fish (plural penis fishes or penis fish)

1. A candiru, a parasitic catfish of the genus Vandellia, alleged to be able to enter the human urethra.
2. Any of certain species of Urechis worm, including:
   1. Urechis caupo, a North American spoon worm.
   2. Urechis unicinctus, an East Asian spoon worm.

• (worm): innkeeper worm
• (Urechis caupo): fat innkeeper worm
• (Urechis unicinctus): fat innkeeper worm

• (worm): Urechis (spoon worm)

• pinfishes, snipefish