Submersible Pump RS-06

One-line tetras, also known as Nannaethiops unitaeniatus, are small, peaceful freshwater fish native to parts of Africa, known for their characteristic single dark stripe running along their sides. They are popular in aquariums due to their vibrant coloration and active schooling behavior. 

Knife fish are a diverse group of ray-finned fish characterized by their laterally flattened, knife-like body shape. They are known for their unique swimming style, using undulations of a long anal fin to move both forward and backward. Many knife fish species can also generate weak electric fields for navigation, prey detection, and communication. They are primarily found in freshwater environments, with some species inhabiting South America, Africa, India, and Southeast Asia