The neon tetra is a freshwater fish of the characin family of order Characiformes. The type species of its genus, it is native to blackwater and clearwater streams in the Amazon basin of South America.

But even though larger snails are generally safe, their young may not be. So keep in mind that small, young snails may be at risk to be eaten by Assassin Snails. In addition to eating snails, Assassin Snails may be interested in fish flakes, blood worms and other protein rich supplements.

A Ramshorn Snail is a common freshwater aquarium snail available these days. Sometimes hobbyists choose to purchase a Ramshorn Snail as a pet. Other hobbyists find Ramshorn Snails inadvertently making their way into tanks as pests. Ramshorn Snails can accidentally make its way into tanks attached to live plants as small snails or in egg clutches. Whether a Ramshorn Snail is considered a pet or pest depends on each individual hobbyist and the type of tank being kept.

The kuhli loach is a small eel-like freshwater fish belonging to the loach family. They originate from Indonesia and the Malay Peninsula. This snake-like creature is very slender and nocturnal.

The red garra, also known as the doctor fish or nibble fish, is a species of cyprinid that is native to a wide range of freshwater habitats in subtropical parts of Western Asia. This small fish typically is up to about 14 cm in total length, but locally individuals can reach as much as 24 cm