Batik Snail (Neritina variegata)

Taxonomy and Habitat

The Batik snail belongs to the family Neritidae. They are typically found in tropical freshwater or brackish environments, often inhabiting rivers and streams with rocky substrates where they graze on biofilms and algae. Their robust shells are adapted to withstand current and potential predators.

Water Parameters

These snails thrive in stable water conditions. A pH ranging from 6.5 to 8.5 is generally suitable, provided the water is not overly acidic, which can erode their shells. Temperatures between 20 and 28 degrees Celsius are ideal for their activity levels.

Feeding and Plant Safety

Batik snails are primarily algae eaters. They graze on diatoms and soft green algae found on glass, rocks, and hardscape. They are completely safe for aquatic plants, as they do not consume healthy plant tissue. Supplemental feeding with blanched vegetables or algae wafers may be necessary if natural algae sources are exhausted.

Reproduction and Population Control

Reproduction is a major advantage for many aquarists. While these snails will readily deposit small, white, sesame-seed-like eggs on hard surfaces, these eggs generally require brackish water conditions to hatch. Consequently, they will not become an invasive pest in a standard freshwater aquarium, as their population will not increase spontaneously.