There are two different types of cacti - desert and forest. Rhipsallis is the latter. Forest cacti are usually spineless, and often have a mass of thinner stems that trail or branch out.
With it's bizarre long stems and low care needs the Rhipsalis cassuthamakes an excellent choice for a hanging plant.
Light: Place your mistletoe cactus in an area that receives, indirect light or partial shade.
Water: Keep the soil moist but not water logged during the growing season, cut back on water during the winter months.
Temperature: Average to warm household temperatures
Feed: A weak solution of cactus feed once or twice a year
Size: Pot Diameter x Total length - 19cm x 55cm
NOTE: This plant is toxic to pets and humans if ingested so be careful around pets and children.