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"A sickly green creature with sharp little horns had its face pressed against the glass, pulling faces and flexing its long, spindly fingers."
—Description[src]

A Grindylow is a small, horned, pale-green skinned water demon and a Dark creature.

History

Grindylow FB

Grindylow in Newt Scamander's suitcase.

Newton Scamander had several Grindylows in his suitcase during his travels to New York in 1926.

Professor Remus Lupin ordered a Grindylow in 1993 for his third year class to study for Defence Against the Dark Arts. After his resignation, he left behind the tank in which the Grindylow was kept.[4]

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Harry defending himself against Grindylows

One year later, the Grindylows of the Black Lake at Hogwarts School of Witchcraft and Wizardry attacked the students competing in the 1994-1995 Triwizard Tournament. They caused the early retirement from the task of Fleur Delacour, and harassed Harry Potter.

Life cycle

During its larval stage of its life, a Grindylow is referred to as a Grypt, as well as several other local names.

Behaviour

Aggressive towards witches, wizards and muggles alike, the Grindylow has only ever been tamed by merpeople; the half-fish water dwellers who sometimes keep them as pets.

Diet

Grindylows survive, for the most part, on fish, algae, and small sea creatures; however, occasionally they will eat humans (it is for this reason that they are classified as dark creatures).

Habitat

These creatures are found in the weed beds at the bottom of lakes in Great Britain and Ireland.

The Grindylow is particularly prevalent in Yorkshire, where it displays a large amount of physical variation. It is generally found in still or stagnant water. In more recent years, Grindylows have taken to urban environments such as Porter Beach in the heart of Sheffield, where they shelter in submerged shopping trolleys and traffic cones.[5]

Physical appearance

The Grindylow is a sickly green colour, with green teeth and small pointy horns on its head. It has long, strong (albeit brittle) fingers which it uses to strangle its prey, and is a rather good swimmer, since it is adapted to live in water.

Defence

The Grindylow has long, brittle fingers which despite their fragility are rather strong. The trick to escaping a Grindylow is to break their grip on a person; it can also be noted that the Revulsion Jinx may help with this task, as underwater it shoots jets of boiling hot water.

Behind the scenes

Grindylow HP4

The appearance of a Grindylow in the fourth film and video game

GrindylowFBIE

A Grindylow, as depicted in Fantastic Beasts and Where to Find Them: Illustrated Edition

Appearances

Grindylow

Notes and references


Defence Against the Dark Arts (D.A.D.A.)
Subjectsdada
D.A.D.A. at Hogwarts
Classroom 3C · Temporary Classroom · Hogwarts Turris Magnus · Teacher's Office · Storeroom · Staircase · Lesson Cup · Race Cup · Dumbledore's Army
Professors
Arsenius Jigger · Albus Dumbledore · Galatea Merrythought · Patricia Rakepick · Quirinus Quirrell · Gilderoy Lockhart · Remus Lupin · Bartemius Crouch Junior (as Alastor Moody) · Dolores Umbridge · Severus Snape · Amycus Carrow (as Dark Arts teacher)
Textbooks
The Dark Forces: A Guide to Self-Protection · Break with a Banshee · Gadding with Ghouls · Holidays with Hags · Travels with Trolls · Voyages with Vampires · Wanderings with Werewolves · Year with the Yeti · The Essential Defence Against the Dark Arts · Defensive Magical Theory · Dark Arts Defence: Basics for Beginners · Confronting the Faceless · Magical Drafts and Potions
Spells studied at Hogwarts under D.A.D.A.
Aqua Eructo Charm · Boggart-Banishing Spell · Counter-curses · Counter-jinxes · Curse of the Bogies · Defensive Charms · Disarming Charm · Freezing Spell · Full Body-Bind Curse · Green Sparks · Hex-Breaker· Hex-deflection · Hex Zapper · Homorphus Charm · Impediment Jinx · Knockback Jinx · Knockback Jinx Duo · Melofors Jinx · Nonverbal spells · Orbis Jinx · Patronus Charm · Red Sparks · Reductor Curse · Revulsion Jinx · Seize and Pull Charm · Shield Charm · Smokescreen Spell · Stunning Spell · Tickling Charm · Tongue-Tying Curse · Ventus Jinx · Verdimillious Charm · Verdimillious Duo Spell · Verdimillious Tria · Wand-Lighting Charm · Wand-Lighting Charm Duo · Cruciatus Curse · Imperius Curse · Killing Curse
Creatures studied at Hogwarts under D.A.D.A.
Acromantula · Banshee · Boggart · Cornish Pixie · Dementor · Erkling · Ghost · Ghoul · Grindylow · Gytrash · Hag · Hinkypunk · Iguana · Imp · Inferius · Kappa · Lethifold · Nocturnal beasts · Red Cap · Troll · Vampire · Vampire bat · Werewolf · Yeti · Zombie


Magical Creatures by classification
X Flobberworm · Horklump
XX Augurey · Bowtruckle · Chizpurfle · Clabbert · Diricawl · Fairy · Ghoul · Gnome · Grindylow · Imp · Jobberknoll · Mooncalf · Porlock · Puffskein · Ramora · Winged horse
XXX Ashwinder · Billywig · Bundimun · Crup · Doxy · Dugbog · Fire crab · Fwooper · Glumbumble · Hippocampus · Hippogriff · Hodag · Jarvey · Knarl · Kneazle · Leprechaun · Lobalug · Mackled Malaclaw · Moke · Murtlap · Niffler · Nogtail · Pixie · Plimpy · Pogrebin · Red Cap · Salamander · Sea serpent · Shrake · Streeler · Winged horse
XXXX Centaur · Demiguise · Erkling · Erumpent · Golden Snidget · Graphorn · Griffin · Hidebehind · Kappa · Kelpie · Merpeople · Occamy · Phoenix · Re'em · Runespoor · Snallygaster · Sphinx · Tebo · Thestral · Thunderbird · Troll · Unicorn · Winged horse · Yeti
XXXXX Acromantula · Basilisk · Chimaera · Dragon · Horned Serpent · Lethifold · Manticore · Nundu · Quintaped · Wampus cat · Werewolf