Neritina Pulligera, or commonly called Military Helmet, Black Helmet.
It is widely recommended in aquariums because it is an alga-eater that does not reproduce very easily. It is gasteropode and comes from the Neritidae family. Originally from Indonesia, Thailand, Malaysia and the Philippines.
Algae Control: This snail is highly effective at grazing on algae, making it a popular choice for maintaining clean aquarium glass and surfaces.
Tank Requirements: It prefers a well-established tank with plenty of algae to graze on. A stable, mature aquarium with good water quality is ideal. It can tolerate a range of water conditions but thrives in slightly alkaline to neutral pH levels (6.5-7.5) and moderate hardness.
Activity: It is a relatively slow-moving and peaceful snail, often seen slowly traversing the aquarium surfaces as it feeds.
Appearance: High, rounded shell resembling a military helmet; colors vary from black to brown with light spots.
Size: About 1 to 1.5 inches (2.5 to 4 cm) in diameter.
Diet: Primarily eats algae; can also take algae wafers or spirulina tablets if algae is limited.
Behavior: Slow-moving and peaceful; excellent algae grazer.
Compatibility: Generally safe with most fish and invertebrates; avoid aggressive species.
Breeding: Requires brackish conditions to breed; won’t reproduce in typical freshwater setups.