Shrimp with coloring from intensely blue to navy blue. The intensity of the color may be influenced by the water parameters. Black Velvet is a shrimp with an interesting non-natural coloration. Trade name: Blue velvet shrimp Scientific name: Neocaridina heteropoda Var. "Blue velvet" Origin: India. Size: up to 3.5 cm. Water temperature: 20 - 29 °. Water parameters: pH 6.8 - 7.8. soft to hard water. Reproduction: in fresh water. Behavior: non-aggressive. Difficulty: very easy. Food: Shrimps feed on algae, eagerly eat scalded nettle leaves, and specialized foods available in pet stores. Additional information 0831456284