Ramshorn Snails are freshwater aquarium snails with a distinct flat-coiled shell shaped like a ram’s horn. They are hardy, peaceful algae eaters and excellent cleanup crew for tanks.
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Ramshorn Snails are freshwater aquarium snails with a distinct flat-coiled shell shaped like a ram’s horn. They are hardy, peaceful algae eaters and excellent cleanup crew for tanks.
Flat, coiled shell resembling a ram’s horn. Shell color ranges from translucent or light brown to dark brown or nearly black; body may be various colors including red or darker depending on variant.
1-2 years
Omnivorous. Eats algae, decaying plants, detritus, leftover food; can be supplemented with blanched vegetables or sinking pellets.
Easy
5 gallons (single or small group); larger tank recommended for multiple snails or breeding
Moderate to hard (helpful for shell strength)
21–28°C (70–82°F)
1–2 inches shell width (varies by species/variant)
Community fish like guppies, tetras, danios; shrimp; other peaceful invertebrates
Fish or invertebrates that prey on snails (e.g. loaches, puffers, crayfish, snail-eating species)
Planorbidae (various species such as Planorbella duryi, Planorbarius corneus)
Planorbidae
North America (wild species), but widely captive-bred and distributed globally
Peaceful; can be kept with other snails, shrimp, and small non-aggressive fish
Feeds naturally on algae, decaying plant matter, leftover food. Supplement diet as needed with blanched vegetables or sinking pellets.
Hermaphroditic; both individuals can lay eggs; lays eggs in gelatinous clutches in water.
Hermaphroditic — any two snails can reproduce. Eggs laid in gelatinous clutches in water; hatch into small snails. Can rapidly multiply under favorable conditions.
pH 7.0–8.0; moderate hardness; stable water conditions; avoid copper-based medications.
Shell weakening or erosion if water is too soft or pH / hardness unstable; overpopulation if overfed.
Peaceful and non-aggressive. Good for community tanks.
Peaceful scavengers. Crawl slowly over surfaces eating algae, detritus and leftover food; sometimes climb tank glass or decorations.
Ramshorn Snails (family Planorbidae) have planispiral shells coiled flat, breathe air using a lung instead of gills, and adapt well to a variety of freshwater aquariums. They are efficient algae and waste eaters, helping clean up detritus, leftover food, and dead plant matter. They are low-maintenance, making them suitable for beginners. However, they reproduce easily and may overpopulate if tank conditions (food, waste) are abundant. Shell health depends on stable water parameters and moderate hardness.