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- "These giant snails change colour on an hourly basis and leave a venomous trail. They are useful in some potions, including Doxycide."
The Streeler changes colour hourly, and leaves behind a trail of venom so toxic that it burns all vegetation that it touches.
Kept as pets
It is kept as a pet by those who enjoy its kaleidoscopic colour changes. Streeler venom is one of the few known substances that can kill Horklumps.
Protection from Streelers
Wearing thick protective gloves is a way to avoid getting stung by a streeler's extremely toxic shell.
- Fantastic Beasts and Where to Find Them (First appearance)
- Harry Potter and the Prisoner of Azkaban (Possibly)
- Harry Potter and the Prisoner of Azkaban (video game) (Appears on a Famous Wizard Card)
- Harry Potter Trading Card Game
Notes and references