Freshwater Limpet

Freshwater Limpet

Septaria porcellana

Intermediate Freshwater Peaceful and sessile. Attaches firmly to smooth surfaces (glass, rocks). Moves slowly while grazing algae. Difficult to remove without damage. Septariidae
Max Size 3.0 cm (1.2")
Min Tank 30 L (8 gal)
Min Group 1+
Diet Herbivore - surface algae, diatoms, biofilm, microalgae

Water Parameters

Temperature
22.0-28.0°C
72-82°F
pH
7.0-8.5
Hardness (dGH)
6.0-15.0
Min Tank Size
30 L
8 gal

About

Snail with a flat, limpet‑type shell that adheres strongly to surfaces. Excellent for algae control on glass and rocks.

Behavior & Temperament

Peaceful and sessile. Attaches firmly to smooth surfaces (glass, rocks). Moves slowly while grazing algae. Difficult to remove without damage.

Feeding

Herbivore - surface algae, diatoms, biofilm, microalgae

Breeding

Oviparous. Lays eggs on hard surfaces. Larvae require brackish water. Reproduction does not occur in pure fresh water.

Care Notes

Requires moderate flow to feed. Do not pull it out forcefully (it may be damaged). Sensitive to copper. Mature tank with established algae.

Compatibility

Excellent for any community tank. Does not compete with other inhabitants. Great in tanks with current.

Quick Summary

Scientific NameSeptaria porcellana
FamilySeptariidae
CategoryMollusk
Care LevelIntermediate
Water TypeFreshwater
Max Size3.0 cm (1.2")
Min Tank30 L (8 gal)
Min Group1+
DietHerbivore - surface algae, diatoms, biofilm, microalgae
TemperamentPeaceful and sessile. Attaches firmly to smooth surfaces (glass, rocks). Moves slowly while grazing algae. Difficult to remove without damage.

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