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snail · freshwater

Mystery Snail: adult size, tank size & tankmates

The Mystery Snail (Pomacea diffusa) grows to about 2 in (5 cm TL). It needs a tank at least about 5 gallons. It doesn't need a group of its own kind, at 70–78°F.

Try it in the tank builderSee tankmates

How big it really gets

Drawn to scale against common tank lengths. Green bars meet the minimum tank length from our sources.

Adult: about 2 in10 gal · 20 in ✓20 long / 29 · 30 in ✓40 breeder · 36 in ✓55 / 75 gal · 48 in ✓125 gal · 72 in ✓

Will it fit your tank?

Check a full stocking list →

Quick facts

Adult size
2 in (5 cm TL)
Minimum tank
about 5 gallons
Temperature
70–78°F
pH
not stated
Hardness
not stated
Group size
1 (solitary or pair)
With other fish
peaceful
With its own kind
peaceful
Swims
all levels
Diet
omnivore
Care level
beginner
Lifespan
1 years

Watch for: jumps, so keep a lid

Mystery Snail tankmates

Checked with the same rules as our tank builder: temperature overlap, pH and hardness, predation and mouth size, fin-nipping and temperament. Tank size is left out here; check it in the builder.

Good tankmates

  • No species in our database passed every check with this fish.

Use caution

Avoid

All 105 species we checked against the Mystery Snail
SpeciesVerdictWhy
African Dwarf FrogCautionMystery Snail (pH unknown) and African Dwarf Frog (pH 6.6–7.4) prefer different pH.
Amano ShrimpCautionMystery Snail (pH unknown) and Amano Shrimp (pH 6–7) prefer different pH.
AngelfishCautionMystery Snail (pH unknown) and Angelfish (pH 6–7.4) prefer different pH.; Mystery Snail (unknown dGH) and Angelfish (0–15 dGH) prefer different water hardness.
Assassin SnailCautionAssassin Snail eats snails (that's its job as pest control), including Mystery Snail.; Mystery Snail (pH unknown) and Assassin Snail (pH 7.5–8) prefer different pH.
Bala SharkCautionMystery Snail (pH unknown) and Bala Shark (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Bala Shark (2–15 dGH) prefer different water hardness.
Bamboo ShrimpCautionMystery Snail (pH unknown) and Bamboo Shrimp (pH 7–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Bamboo Shrimp (6–10 dGH) prefer different water hardness.
BettaCautionMystery Snail (pH unknown) and Betta (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Betta (1–15 dGH) prefer different water hardness.
Black Neon TetraCautionMystery Snail (pH unknown) and Black Neon Tetra (pH 5.5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Black Neon Tetra (1–12 dGH) prefer different water hardness.
Black Skirt TetraCautionMystery Snail (pH unknown) and Black Skirt Tetra (pH 6–7) prefer different pH.; Mystery Snail (unknown dGH) and Black Skirt Tetra (5–20 dGH) prefer different water hardness.
Bleeding Heart TetraCautionMystery Snail (pH unknown) and Bleeding Heart Tetra (pH 4–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Bleeding Heart Tetra (1–12 dGH) prefer different water hardness.
Bolivian RamCautionMystery Snail (pH unknown) and Bolivian Ram (pH 6–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Bolivian Ram (1–10 dGH) prefer different water hardness.
Bristlenose PlecoCautionMystery Snail (pH unknown) and Bristlenose Pleco (pH 5.5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Bristlenose Pleco (1–15 dGH) prefer different water hardness.
Bronze CoryCautionMystery Snail (pH unknown) and Bronze Cory (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Bronze Cory (2–15 dGH) prefer different water hardness.
Buenos Aires TetraCautionMystery Snail (pH unknown) and Buenos Aires Tetra (pH 5.5–8.5) prefer different pH.; Mystery Snail (unknown dGH) and Buenos Aires Tetra (1–20 dGH) prefer different water hardness.
Bumblebee GobyCautionMystery Snail (pH unknown) and Bumblebee Goby (pH 7–8.5) prefer different pH.; Mystery Snail (unknown dGH) and Bumblebee Goby (8–20 dGH) prefer different water hardness.
Cardinal TetraCautionMystery Snail (pH unknown) and Cardinal Tetra (pH 3.5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Cardinal Tetra (1–12 dGH) prefer different water hardness.
Celestial Pearl DanioCautionMystery Snail (pH unknown) and Celestial Pearl Danio (pH 6.5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Celestial Pearl Danio (5–15 dGH) prefer different water hardness.
Cherry BarbCautionMystery Snail (pH unknown) and Cherry Barb (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Cherry Barb (2–20 dGH) prefer different water hardness.
Cherry ShrimpCautionMystery Snail (pH unknown) and Cherry Shrimp (pH 6.5–8) prefer different pH.; Mystery Snail (unknown dGH) and Cherry Shrimp (6–14 dGH) prefer different water hardness.
Chili RasboraCautionMystery Snail (pH unknown) and Chili Rasbora (pH 4–7) prefer different pH.; Mystery Snail (unknown dGH) and Chili Rasbora (1–10 dGH) prefer different water hardness.
Chinese Algae EaterCautionMystery Snail (pH unknown) and Chinese Algae Eater (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Chinese Algae Eater (2–20 dGH) prefer different water hardness.
Clown KillifishCautionMystery Snail (pH unknown) and Clown Killifish (pH 4–7) prefer different pH.; Mystery Snail (unknown dGH) and Clown Killifish (1–8 dGH) prefer different water hardness.
Clown PlecoCautionMystery Snail (pH unknown) and Clown Pleco (pH 6.8–7.6) prefer different pH.
Cockatoo Dwarf CichlidCautionMystery Snail (pH unknown) and Cockatoo Dwarf Cichlid (pH 5–6) prefer different pH.; Mystery Snail (unknown dGH) and Cockatoo Dwarf Cichlid (0–15 dGH) prefer different water hardness.
Common PlecoCautionMystery Snail (pH unknown) and Common Pleco (pH 6–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Common Pleco (10–20 dGH) prefer different water hardness.
Congo TetraCautionMystery Snail (pH unknown) and Congo Tetra (pH 6–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Congo Tetra (3–18 dGH) prefer different water hardness.
Crystal Red ShrimpCautionMystery Snail (pH unknown) and Crystal Red Shrimp (pH 5.8–7) prefer different pH.; Mystery Snail (unknown dGH) and Crystal Red Shrimp (4–6 dGH) prefer different water hardness.
Denison BarbCautionMystery Snail (pH unknown) and Denison Barb (pH 6.5–7.8) prefer different pH.; Mystery Snail (unknown dGH) and Denison Barb (5–25 dGH) prefer different water hardness.
Diamond TetraCautionMystery Snail (pH unknown) and Diamond Tetra (pH 5.5–7) prefer different pH.; Mystery Snail (unknown dGH) and Diamond Tetra (5–12 dGH) prefer different water hardness.
Dwarf GouramiCautionMystery Snail (pH unknown) and Dwarf Gourami (pH 6–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Dwarf Gourami (2–18 dGH) prefer different water hardness.
Dwarf Neon RainbowfishCautionMystery Snail (pH unknown) and Dwarf Neon Rainbowfish (pH 6.8–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Dwarf Neon Rainbowfish (5–15 dGH) prefer different water hardness.
Ember TetraCautionMystery Snail (pH unknown) and Ember Tetra (pH 5–7) prefer different pH.; Mystery Snail (unknown dGH) and Ember Tetra (1–10 dGH) prefer different water hardness.
Endler's LivebearerCautionMystery Snail (pH unknown) and Endler's Livebearer (pH 7–8.5) prefer different pH.; Mystery Snail (unknown dGH) and Endler's Livebearer (15–35 dGH) prefer different water hardness.
Fancy GoldfishCautionMystery Snail and Fancy Goldfish only share 70–70°F. That's a tight window.; Mystery Snail (pH unknown) and Fancy Goldfish (pH 6.5–7.5) prefer different pH.
Forktail Blue-eyeCautionMystery Snail (pH unknown) and Forktail Blue-eye (pH 7–8) prefer different pH.; Mystery Snail (unknown dGH) and Forktail Blue-eye (15–30 dGH) prefer different water hardness.
Ghost ShrimpCautionMystery Snail (pH unknown) and Ghost Shrimp (pH 7–8) prefer different pH.
Giant DanioCautionMystery Snail (pH unknown) and Giant Danio (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Giant Danio (2–15 dGH) prefer different water hardness.
Glass CatfishCautionMystery Snail (pH unknown) and Glass Catfish (pH 4–7) prefer different pH.; Mystery Snail (unknown dGH) and Glass Catfish (1–10 dGH) prefer different water hardness.
Glowlight TetraCautionMystery Snail (pH unknown) and Glowlight Tetra (pH 5.5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Glowlight Tetra (2–15 dGH) prefer different water hardness.
Gold BarbCautionMystery Snail (pH unknown) and Gold Barb (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Gold Barb (2–20 dGH) prefer different water hardness.
GuppyCautionMystery Snail (pH unknown) and Guppy (pH 7–8.5) prefer different pH.; Mystery Snail (unknown dGH) and Guppy (8–30 dGH) prefer different water hardness.
Harlequin RasboraCautionMystery Snail (pH unknown) and Harlequin Rasbora (pH 5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Harlequin Rasbora (1–12 dGH) prefer different water hardness.
Head-and-tail-light TetraCautionMystery Snail (pH unknown) and Head-and-tail-light Tetra (pH 5.5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Head-and-tail-light Tetra (5–20 dGH) prefer different water hardness.
Hillstream LoachCautionMystery Snail (pH unknown) and Hillstream Loach (pH 6–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Hillstream Loach (1–10 dGH) prefer different water hardness.
Honey GouramiCautionMystery Snail (pH unknown) and Honey Gourami (pH 6–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Honey Gourami (2–15 dGH) prefer different water hardness.
Iridescent SharkCautionMystery Snail (pH unknown) and Iridescent Shark (pH 6.5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Iridescent Shark (2–30 dGH) prefer different water hardness.
Japanese Trapdoor SnailCautionMystery Snail (pH unknown) and Japanese Trapdoor Snail (pH 6.5–7.3) prefer different pH.
Julii CoryCautionMystery Snail (pH unknown) and Julii Cory (pH 5.8–7.2) prefer different pH.; Mystery Snail (unknown dGH) and Julii Cory (1–12 dGH) prefer different water hardness.
Kissing GouramiCautionMystery Snail (pH unknown) and Kissing Gourami (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Kissing Gourami (1–20 dGH) prefer different water hardness.
KribensisCautionMystery Snail (pH unknown) and Kribensis (pH 5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Kribensis (0–12 dGH) prefer different water hardness.
Kuhli LoachCautionMystery Snail (pH unknown) and Kuhli Loach (pH 3.5–7) prefer different pH.; Mystery Snail (unknown dGH) and Kuhli Loach (0–8 dGH) prefer different water hardness.
Lambchop RasboraCautionMystery Snail (pH unknown) and Lambchop Rasbora (pH 5.5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Lambchop Rasbora (1–10 dGH) prefer different water hardness.
Lemon TetraCautionMystery Snail (pH unknown) and Lemon Tetra (pH 5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Lemon Tetra (1–12 dGH) prefer different water hardness.
Malaysian Trumpet SnailCautionMystery Snail (pH unknown) and Malaysian Trumpet Snail (pH 7–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Malaysian Trumpet Snail (5–15 dGH) prefer different water hardness.
Marbled HatchetfishCautionMystery Snail (pH unknown) and Marbled Hatchetfish (pH 4–7) prefer different pH.; Mystery Snail (unknown dGH) and Marbled Hatchetfish (1–10 dGH) prefer different water hardness.
MollyCautionMystery Snail (pH unknown) and Molly (pH 7–8.5) prefer different pH.; Mystery Snail (unknown dGH) and Molly (15–30 dGH) prefer different water hardness.
Moonlight GouramiCautionMystery Snail and Moonlight Gourami only share 77–78°F. That's a tight window.; Mystery Snail (pH unknown) and Moonlight Gourami (pH 6–7.5) prefer different pH.
Neon TetraCautionMystery Snail (pH unknown) and Neon Tetra (pH 4–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Neon Tetra (1–12 dGH) prefer different water hardness.
Nerite SnailCautionMystery Snail (pH unknown) and Nerite Snail (pH 8–8.4) prefer different pH.; Mystery Snail (unknown dGH) and Nerite Snail (6–12 dGH) prefer different water hardness.
Odessa BarbCautionMystery Snail (pH unknown) and Odessa Barb (pH 6.5–8.5) prefer different pH.; Mystery Snail (unknown dGH) and Odessa Barb (5–20 dGH) prefer different water hardness.
OtocinclusCautionMystery Snail (pH unknown) and Otocinclus (pH 5.5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Otocinclus (1–12 dGH) prefer different water hardness.
Panda CoryCautionMystery Snail (pH unknown) and Panda Cory (pH 6–7.4) prefer different pH.; Mystery Snail (unknown dGH) and Panda Cory (1–12 dGH) prefer different water hardness.
Paradise FishCautionMystery Snail (pH unknown) and Paradise Fish (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Paradise Fish (5–20 dGH) prefer different water hardness.
Pearl DanioCautionMystery Snail (pH unknown) and Pearl Danio (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Pearl Danio (1–20 dGH) prefer different water hardness.
Pearl GouramiCautionMystery Snail (pH unknown) and Pearl Gourami (pH 5.5–8) prefer different pH.; Mystery Snail (unknown dGH) and Pearl Gourami (2–30 dGH) prefer different water hardness.
Penguin TetraCautionMystery Snail (pH unknown) and Penguin Tetra (pH 5.5–8) prefer different pH.; Mystery Snail (unknown dGH) and Penguin Tetra (0–20 dGH) prefer different water hardness.
Peppered CoryCautionMystery Snail (pH unknown) and Peppered Cory (pH 6–7) prefer different pH.; Mystery Snail (unknown dGH) and Peppered Cory (0–12 dGH) prefer different water hardness.
PlatyCautionMystery Snail (pH unknown) and Platy (pH 7–8.2) prefer different pH.; Mystery Snail (unknown dGH) and Platy (10–30 dGH) prefer different water hardness.
Pristella TetraCautionMystery Snail (pH unknown) and Pristella Tetra (pH 6–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Pristella Tetra (2–20 dGH) prefer different water hardness.
Pygmy CoryCautionMystery Snail (pH unknown) and Pygmy Cory (pH 6.4–7.4) prefer different pH.; Mystery Snail (unknown dGH) and Pygmy Cory (0–8 dGH) prefer different water hardness.
Rainbow SharkCautionMystery Snail (pH unknown) and Rainbow Shark (pH 6.5–8) prefer different pH.; Mystery Snail (unknown dGH) and Rainbow Shark (2–15 dGH) prefer different water hardness.
Ramshorn SnailCautionMystery Snail (pH unknown) and Ramshorn Snail (pH 7–8) prefer different pH.; Mystery Snail (unknown dGH) and Ramshorn Snail (8–18 dGH) prefer different water hardness.
Red-Tail SharkCautionMystery Snail (pH unknown) and Red-Tail Shark (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Red-Tail Shark (2–15 dGH) prefer different water hardness.
Rosy BarbCautionMystery Snail (pH unknown) and Rosy Barb (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Rosy Barb (5–20 dGH) prefer different water hardness.
Rummy-nose TetraCautionMystery Snail (pH unknown) and Rummy-nose Tetra (pH 5.5–7) prefer different pH.; Mystery Snail (unknown dGH) and Rummy-nose Tetra (2–15 dGH) prefer different water hardness.
Scissortail RasboraCautionMystery Snail (pH unknown) and Scissortail Rasbora (pH 5–8) prefer different pH.; Mystery Snail (unknown dGH) and Scissortail Rasbora (2–12 dGH) prefer different water hardness.
Serpae TetraCautionMystery Snail (pH unknown) and Serpae Tetra (pH 5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Serpae Tetra (1–15 dGH) prefer different water hardness.
Siamese Algae EaterCautionMystery Snail (pH unknown) and Siamese Algae Eater (pH 6–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Siamese Algae Eater (1–15 dGH) prefer different water hardness.
Silver HatchetfishCautionMystery Snail (pH unknown) and Silver Hatchetfish (pH 5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Silver Hatchetfish (1–12 dGH) prefer different water hardness.
Silver Tip TetraCautionMystery Snail (pH unknown) and Silver Tip Tetra (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Silver Tip Tetra (5–20 dGH) prefer different water hardness.
Sparkling GouramiCautionMystery Snail (pH unknown) and Sparkling Gourami (pH 5–7.5) prefer different pH.; Mystery Snail (unknown dGH) and Sparkling Gourami (1–12 dGH) prefer different water hardness.
Sterbai CoryCautionMystery Snail (pH unknown) and Sterbai Cory (pH 6–7.6) prefer different pH.; Mystery Snail (unknown dGH) and Sterbai Cory (1–15 dGH) prefer different water hardness.
SwordtailCautionMystery Snail (pH unknown) and Swordtail (pH 7–8) prefer different pH.; Mystery Snail (unknown dGH) and Swordtail (10–25 dGH) prefer different water hardness.
Three-spot GouramiCautionMystery Snail (pH unknown) and Three-spot Gourami (pH 5.5–8.5) prefer different pH.; Mystery Snail (unknown dGH) and Three-spot Gourami (3–35 dGH) prefer different water hardness.
Tiger BarbCautionMystery Snail (pH unknown) and Tiger Barb (pH 5–8) prefer different pH.; Mystery Snail (unknown dGH) and Tiger Barb (1–20 dGH) prefer different water hardness.
Tinfoil BarbCautionMystery Snail (pH unknown) and Tinfoil Barb (pH 6.5–7) prefer different pH.; Mystery Snail (unknown dGH) and Tinfoil Barb (2–10 dGH) prefer different water hardness.
Variatus PlatyCautionMystery Snail (pH unknown) and Variatus Platy (pH 7–8.2) prefer different pH.; Mystery Snail (unknown dGH) and Variatus Platy (14–30 dGH) prefer different water hardness.
White Cloud Mountain MinnowCautionMystery Snail (pH unknown) and White Cloud Mountain Minnow (pH 6–8.5) prefer different pH.; Mystery Snail (unknown dGH) and White Cloud Mountain Minnow (5–20 dGH) prefer different water hardness.
Zebra DanioCautionMystery Snail (pH unknown) and Zebra Danio (pH 6–8) prefer different pH.; Mystery Snail (unknown dGH) and Zebra Danio (5–20 dGH) prefer different water hardness.
Blood Parrot CichlidAvoidBlood Parrot Cichlid eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Blood Parrot Cichlid (pH 6.5–7.4) prefer different pH.
Boesemani RainbowfishAvoidMystery Snail (70–78°F) and Boesemani Rainbowfish (81–86°F) need different temperatures.; Mystery Snail (pH unknown) and Boesemani Rainbowfish (pH 7–8) prefer different pH.
Clown LoachAvoidClown Loach eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Clown Loach (pH 5–7) prefer different pH.
Common / Comet GoldfishAvoidCommon / Comet Goldfish eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Common / Comet Goldfish (pH 6–8) prefer different pH.
Convict CichlidAvoidConvict Cichlid eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Convict Cichlid (pH 6–8) prefer different pH.
DiscusAvoidMystery Snail (70–78°F) and Discus (79–86°F) need different temperatures.; Mystery Snail (pH unknown) and Discus (pH 5–7) prefer different pH.
Electric Blue AcaraAvoidElectric Blue Acara eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Electric Blue Acara (pH 6.5–8) prefer different pH.
Electric Yellow LabAvoidElectric Yellow Lab eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Electric Yellow Lab (pH 7.7–8.6) prefer different pH.
Firemouth CichlidAvoidFiremouth Cichlid eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Firemouth Cichlid (pH 6.5–8.5) prefer different pH.
German Blue RamAvoidMystery Snail (70–78°F) and German Blue Ram (81–86°F) need different temperatures.; Mystery Snail (pH unknown) and German Blue Ram (pH 4–7) prefer different pH.
OscarAvoidOscar eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Oscar (pH 6–7.5) prefer different pH.
Pea PufferAvoidPea Puffer eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Pea Puffer (pH 6.8–8) prefer different pH.
Pictus CatfishAvoidPictus Catfish eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Pictus Catfish (pH 5.8–6.8) prefer different pH.
Upside-down CatfishAvoidUpside-down Catfish eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Upside-down Catfish (pH 6–7.5) prefer different pH.
Weather LoachAvoidWeather Loach eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Weather Loach (pH 6–8) prefer different pH.
Yoyo LoachAvoidYoyo Loach eats snails, including Mystery Snail.; Mystery Snail (pH unknown) and Yoyo Loach (pH 6–7.5) prefer different pH.

Care notes

Needs: Requires hard, alkaline water (pH >= 7.2) for shell integrity; long sensory tentacles vulnerable to nipping fish; tight lid required.

Group: Kept singly or in groups; gonochoric reproduction allows strict control over population size.

Temperament: peaceful toward other fish, peaceful toward its own kind. Lives in the whole tank.

Common questions

How big does a Mystery Snail get?

About 2 inches (5 cm TL) as an adult, according to aquariumcoop.com.

What size tank does a Mystery Snail need?

At least about 5 gallons. The smallest standard tank that meets that is a 5 gallon.

How many Mystery Snails should be kept together?

It can be kept on its own. Kept singly or in groups; gonochoric reproduction allows strict control over population size.

Gear for a Mystery Snail setup

TankSmallest standard tank that meets its minimum: 5 gallon (16 in long).Find on Amazon →HeaterAbout 25 W for 5 gallons, holding 70–78°F.Find on Amazon →LidIt jumps. A full lid keeps it in the tank.Find on Amazon →FoodA quality flake or micro-pellet as a staple.Find on Amazon →Test kitCheck ammonia, nitrite and pH. Cycle the tank before adding fish.Find on Amazon →

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Related guides

Snail-friendly gearCommunity tank fishTank stocking guideAcclimating new fish

Sources

Values come from these pages, in our own words. Status: verified. Last reviewed 2026-10-12.