Common name: mistletoe cactus

Assuming this is a Rhipsalis baccifera, it is the only species of cactus native to outside of the Americas.

Light:

Likes bright indirect light

Temperature:

Generally prefers temps over 40 degrees F

Humidity:

Does not have any specific humidity requirements

Substrate, growing media and repotting:

A well draining potting mix with lots of added perlite is preferred.

Watering:

Doesn't require too much water. When the soil is dry it can be watered.

Fertilizer:

1 to 2 times a month in the summer and 1 time every 2-3 months in the winter.