Yucatan Molly tank mates

Poecilia velifera

Yucatan Molly gets along with 22 species, needs care with 139, and should avoid 27.

Fish6" adultPeaceful40+ gallons72–82°FpH 7.5–8.5
22Compatible
139With care
27Avoid

Best tank mates (hand-picked)

The most reliable companions for Yucatan Molly — peaceful, and matched on water temperature and pH.

Black MollyPeaceful fish, shares 72–82°F & pH 7.5–8.5Colombian RamshornPeaceful snail, shares 72–82°F & pH 7.5–8.5Horned Nerite SnailPeaceful snail, shares 72–82°F & pH 7.5–8.5MollyPeaceful fish, shares 72–82°F & pH 7.5–8.5Olive Nerite SnailPeaceful snail, shares 72–82°F & pH 7.5–8.5Red Racer Nerite SnailPeaceful snail, shares 72–82°F & pH 7.5–8.5Sailfin MollyPeaceful fish, shares 72–82°F & pH 7.5–8.5PlatyPeaceful fish, shares 72–82°F & pH 7.5–8.2Bladder SnailPeaceful snail, shares 72–82°F & pH 7.5–8

Stocking more than one fish?

Don’t check pairs one at a time. Add Yucatan Molly and every other fish you’re considering to the compatibility checker, and see how the whole community gets along at once — with tank-size and water-parameter conflicts flagged automatically.

Check my whole list →

Best avoided (27 total)

A few to steer clear of — and exactly why:

OscarOscar’s mouth is big enough to swallow Yucatan Molly (only 6" long) — it will be eaten.Blue Dream ShrimpYucatan Molly is 6.0× the length of Blue Dream Shrimp — easily mouth-sized, and anything that fits in the mouth is a predator.Mischling / Taiwan BeeYucatan Molly is 6.0× the length of Mischling / Taiwan Bee — easily mouth-sized, and anything that fits in the mouth is a predator.Blue Velvet ShrimpYucatan Molly is 6.0× the length of Blue Velvet Shrimp — easily mouth-sized, and anything that fits in the mouth is a predator.Cherry ShrimpYucatan Molly is 6.0× the length of Cherry Shrimp — easily mouth-sized, and anything that fits in the mouth is a predator.

Design the whole tank, not just the stocking

Skapelab plans a complete, buildable planted aquarium around your fish — a hand-illustrated layout, the exact plants and hardscape, a placement map, and a full equipment and shopping list. Free.

Design a tank with Yucatan Molly →

The full compatibility list

Every species we checked against Yucatan Molly — tap to expand.

Compatible (22)
Keep only with care (139)
Albino CoryFish · 2.5"Assassin SnailSnail · 1"Bamboo / Wood ShrimpShrimp · 3.5"Bandit CoryFish · 2"Blackstripe CoryFish · 2.2"Blue GouramiFish · 5"Bolivian RamFish · 3.5"Brazos Dwarf CrayfishCrayfish · 1.5"Bristlenose PlecoFish · 5"Bronze CoryFish · 2.75"Cajun Dwarf CrayfishCrayfish · 1.5"Cherry BarbFish · 2"Common PlecoFish · 24"Croaking GouramiFish · 3"Dwarf Crayfish (CPO)Crayfish · 1.75"Dwarf GouramiFish · 3.5"Elegant CoryFish · 2"Emerald Cory (Brochis)Fish · 3"Fancy Guppy (Female trio)Fish · 2.4"Gold GouramiFish · 6"GuppyFish · 2"Honey GouramiFish · 2"KribensisFish · 3.5"Nerite SnailSnail · 1"Opaline GouramiFish · 6"Pagoda / Spiky SnailSnail · 1.5"Pearl GouramiFish · 4.5"Pom Pom CrabCrab · 1"Rabbit SnailSnail · 3"Ramshorn SnailSnail · 1"Saddled CoryFish · 1.8"Skunk CoryFish · 2"Spike-Topped Apple SnailSnail · 1.5"Sulawesi SnailSnail · 2"SwordtailFish · 5.5"Threestripe CoryFish · 2.2"Vampire ShrimpShrimp · 6"Adolfo's CoryFish · 2.25"Altum AngelfishFish · 7"Amano ShrimpShrimp · 2"AngelfishFish · 6"Axelrod's RasboraFish · 0.6"Betta (Siamese Fighting Fish)Fish · 2.5"Black Kuhli LoachFish · 3"Black Neon TetraFish · 1.5"Black Rose ShrimpShrimp · 1.5"Black Sail CoryFish · 2"Black Skirt TetraFish · 2.5"Blue Lobster CrayfishCrayfish · 5"Blue Phantom PlecoFish · 7"Brilliant RasboraFish · 4"Candy Striped PlecoFish · 4"Carbon Rili ShrimpShrimp · 1.5"Cardinal TetraFish · 2"Carnival / Polka Dot Freshwater CrabCrab · 1.5"Chili RasboraFish · 0.7"Chocolate GouramiFish · 2"Clown PlecoFish · 3.5"Clown RasboraFish · 4"Colombian Zebra PlecoFish · 3.5"DiscusFish · 8"Dwarf Cory (Habrosus)Fish · 1"Dwarf Emerald RasboraFish · 1"Dwarf Emerald Rasbora (nanus)Fish · 0.7"Electric Blue CrayfishCrayfish · 5"Ember TetraFish · 0.8"Emerald Dwarf RasboraFish · 0.9"Emerald Eye RasboraFish · 1.4"Endler's LivebearerFish · 1.2"False Julii CoryFish · 2"False Rummy Nose TetraFish · 2"Fiddler CrabCrab · 2"Fire RasboraFish · 1.6"Flash Pleco (L204)Fish · 20"Flower ShrimpShrimp · 2.5"German Blue RamFish · 2.5"Ghost ShrimpShrimp · 1.5"Giant GouramiFish · 24"Gold Kuhli LoachFish · 3.5"Green Neon TetraFish · 1"Green Tiger BarbFish · 2.75"Harlequin RasboraFish · 1.75"Hengel's RasboraFish · 1.2"Julii CoryFish · 2"King Tiger PlecoFish · 6"Kissing GouramiFish · 12"Koi AngelfishFish · 6"Kuhli LoachFish · 4"Lambchop RasboraFish · 1.25"Least RasboraFish · 0.8"Leopard Frog PlecoFish · 4.5"Licorice GouramiFish · 1.4"Longfin Bristlenose PlecoFish · 5"Marbled CrayfishCrayfish · 5"Moonlight GouramiFish · 6"Neon Blue RasboraFish · 0.8"Neon Green RasboraFish · 0.8"Neon TetraFish · 1.5"Noble GouramiFish · 3"Otocinclus CatfishFish · 1.5"Painted Fire Red ShrimpShrimp · 1.5"Panda CoryFish · 2"Panther CrabCrab · 3"Phoenix RasboraFish · 0.8"Pitbull PlecoFish · 2.5"Purple Vampire CrabCrab · 1.5"Pygmy CoryFish · 1"Pygmy RasboraFish · 0.8"Red Claw CrabCrab · 2.5"Red Devil Vampire CrabCrab · 1.5"Red Nose ShrimpShrimp · 1.5"Red-Line RasboraFish · 1.75"Royal PlecoFish · 17"Rubber Pleco (Rubbernose)Fish · 4.5"Rummynose TetraFish · 2"Schwartz's CoryFish · 2.5"Scissortail RasboraFish · 3.5"Siamese Algae EaterFish · 6"Siamese Algae EaterFish · 6"Slender RasboraFish · 1.5"Smudge Spot CoryFish · 2.25"Sparkling GouramiFish · 1.5"Spotted Tail CoryFish · 2.2"Sterbai CoryFish · 2.6"Strawberry RasboraFish · 0.7"Tail Spot Pygmy CoryFish · 1"Thai Devil CrabCrab · 2"Thai Freshwater CrabCrab · 2.5"Thai Micro CrabCrab · 0.4"Thai Micro Pom Pom CrabCrab · 0.8"Thick-lipped GouramiFish · 3.5"Tiger BarbFish · 2.75"Two-Saddled CoryFish · 2.5"Typhoon PlecoFish · 12"Venezuelan CoryFish · 2.5"Wild-Type BettaFish · 2.5"Zebra DanioFish · 2"Zebra OtocinclusFish · 1.5"Zebra PlecoFish · 3.5"
Avoid (27)