Snails
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50 free Snails trivia questions with answers — trivia quiz, new questions added Oct 2026.
Snails are easy to overlook and hard to stop reading about. The slow grazer on a wet garden path belongs to one of the most varied groups of animals alive, with relatives that hunt with venom, drift across the open sea or cling to rocks in pounding surf. This quiz covers the whole range. There are questions on snail bodies and behaviour, from feeding and breathing to their unusual courtship, and on remarkable species from deep-sea vents to tropical treetops. Others follow snails into human life: the dinner table, ancient dyes and currencies, a famous court case, paintings, picture books, films and television. It suits curious kids and adults, gardeners, aquarium keepers and biology students revising invertebrates. Every answer comes with a short explanation, so each round leaves a few good facts to pass on.
30 of 50 questions with answers and explanations. Play the quiz
Q 01Roman emperors wore robes dyed which colour, made from the mucus of thousands of murex sea snails?
Purple
Purple cloth cost a fortune because about twelve thousand snails gave only enough dye for the trim of one garment. By the fourth century, only the emperor was allowed to wear it.
Q 02What is the name of SpongeBob SquarePants's pet sea snail, who meows like a cat instead of talking?
Gary
Gary shares the pineapple house with SpongeBob, and his meows are performed by Tom Kenny, the same actor who voices his owner.
Q 03Which predatory sea creature fires a venomous harpoon whose sting has killed dozens of people?
Cone snail
Cone snail venom works so fast that one species is nicknamed the cigarette snail, for the time a victim supposedly has left. A drug for severe chronic pain, ziconotide, was developed from it.
Q 04In the DreamWorks film Turbo, a garden snail given super speed tries to win which motor race?
Indianapolis 500
Indianapolis 500 glory is the dream of Theo, a snail voiced by Ryan Reynolds, who calls himself Turbo and gains his speed in a freak accident.
Q 05What French word names the restaurant dish of land snails baked in their shells with garlic butter?
Escargot
Escargot is simply the French word for snail, borrowed by English speakers to mean only the edible kind. The snails are shelled and cooked, then put back into the shells with the butter.
Q 06Which artist created The Snail, a huge collage of paper cut-outs that hangs in London's Tate Modern?
Henri Matisse
Henri Matisse cut the shapes with shears from paper painted with gouache, a method he turned to after he stopped painting around 1950. The finished work is nearly three metres square.
Q 07In William Golding's Lord of the Flies, the shell of which sea snail is blown to call meetings?
Conch
Conch in hand, Ralph gathers the survivors and is elected their chief. Order on the island collapses when a boulder kills Piggy and smashes the shell.
Q 08Italians call which keyboard symbol the chiocciola, meaning snail, when reading out an email address?
The at sign
The at sign is a snail in several languages: Belarusian and Esperanto speakers use their own word for snail too, and Indonesians sometimes call it a snail A.
Q 09The landmark negligence case Donoghue v Stevenson began with a dead snail in a bottle of what?
Ginger beer
Ginger beer poured over ice cream in a café in Paisley, Scotland, made legal history: May Donoghue's claim against the bottler laid the foundation of the modern law of negligence.
Q 10The snail darter, which the US Supreme Court protected by halting the Tellico Dam, is what kind of animal?
A fish
A fish no longer than a finger, the snail darter feeds mostly on small river snails. Congress exempted the dam anyway, yet the species recovered and left the endangered list in 2022.
Q 11Which rock-clinging sea snail has teeth made of the strongest biological material known?
Limpet
Limpet teeth outperform even spider silk in tensile strength. The animal needs them because it feeds by scraping algae off bare rock.
Q 12Before mating, some land snails stab each other with which sharp chalky spike, made in an internal sac?
A love dart
A love dart does not carry sperm at all. Mucus on it holds a compound that helps the shooter's own sperm survive inside the partner.
Q 13The scaly-foot snail of deep-sea vents armours its shell and foot with compounds of which metal?
Iron
Iron sulphides coat its shell and the hundreds of scales on its foot, making it the only living animal known to build a skeleton this way. It has been found only in the Indian Ocean.
Q 21Snail blood turns blue when it carries oxygen because its pigment is built around which metal?
Copper
Copper atoms work in pairs to hold each oxygen molecule, and the pigment, haemocyanin, shifts from colourless to blue as they do. Octopuses, crabs and tarantulas carry it too.
Q 22Which author wrote The Snail and the Whale, in which a sea snail hitches a ride around the world?
Julia Donaldson
Julia Donaldson, best known for The Gruffalo, has the snail advertise for a lift by writing with her own slime trail. A kind humpback answers the call.
Q 23Which US state twice spent nearly a decade wiping out invasions of giant African land snails?
Florida
Florida declared its second campaign won in 2021, only for new outbreaks to appear the following year. The snails can grow 20 cm long, among the largest of any on land.
Q 14A snail feeds by scraping with which ribbon-like tongue, covered in thousands of microscopic teeth?
Radula
Radula teeth work like a file, ripping food into small pieces. The ribbon creeps slowly forward, so fresh teeth reach the tip as the old ones wear out.
Q 15A snail's shell is built mainly from which compound, also the main ingredient of chalk and limestone?
Calcium carbonate
Calcium carbonate, bound together with a mixture of proteins, makes up the shell. Newly hatched snails eat extra calcium to strengthen theirs.
Q 16Snails belong to which animal phylum, the same group as octopuses, squid, clams and oysters?
Molluscs
Molluscs form the second-largest animal phylum, and snails with their close relatives account for about 80 percent of all its named species.
Q 17The edible Roman snail, Helix pomatia, is also named after which French wine region?
Burgundy
Burgundy snails are prized on French menus, yet England protects the same species by law, making it illegal to kill, collect or sell one.
Q 18The glossy shells of which sea snail were once used as money across Africa, South Asia and East Asia?
Cowrie
Cowrie shells were the most widely used shell money in the world, and one species still carries the scientific name Monetaria moneta, the money cowrie.
Q 19Which coiled part of the human inner ear takes its name from the Latin word for a snail shell?
Cochlea
Cochlea comes from the Latin for snail shell because the organ is coiled like one. That coil is found in mammals, with the notable exception of the egg-laying monotremes.
Q 20Which edible sea snail has an ear-shaped shell lined with iridescent mother-of-pearl?
Abalone
Abalone flesh is a delicacy eaten raw or cooked, and the nacre inside the shell shimmers from silvery white through pink to deep blue and green.
Q 24George, a tree snail who died in 2019 as the last of his species, lived on which Pacific island group?
Hawaii
Hawaii's tree snails are all thought to descend from a single ancestral snail. George was named after Lonesome George, the Galápagos tortoise who was also the last of his kind.
Q 25Which English county has hosted the World Snail Racing Championships at Congham since the 1960s?
Norfolk
Norfolk's course is only 13 inches long, and the benchmark of two minutes was set in 1995 by a snail called Archie. The founder took the idea from a race he had watched in France.
Q 26Which European bird smashes snail shells open on a favourite stone, known as its anvil?
Song thrush
Song thrush youngsters are not born knowing the trick. They flick and play with objects until they learn to use an anvil as a tool for breaking snails.
Q 27The snail kite, an Everglades bird of prey, eats almost nothing but snails named after which fruit?
Apple
Apple snails are pulled from their shells with the kite's deeply hooked beak, shaped for exactly this diet. Water-level control in the Everglades has been depleting the snails.
Q 28A parasitic worm makes which part of a snail pulse like a caterpillar so that birds will eat it?
The eyestalks
The eyestalks swell with the green, banded broodsacs of a flatworm called Leucochloridium. A bird that pecks one off becomes the parasite's next host.
Q 29Freshwater snails spread which tropical disease, also known as snail fever or bilharzia?
Schistosomiasis
Schistosomiasis is caught simply through contact with contaminated fresh water, and it affected roughly 236 million people in 2019. Bilharzia honours Theodor Bilharz, who described its cause in 1851.
Q 30Many sea snails can shut themselves inside the shell with which hard trapdoor carried on the foot?
Operculum
The operculum can match the outline of the shell's opening exactly, sealing the entrance like a fitted door. Those of some Red Sea snails were long burned as incense.