Scientific Name:  Neocaridina davidi We ship an assortment of six Neocaridina davidi shrimp variants: blue velvet, red cherry, yellow rice, green jade, red rili, and orange. You will receive at least five different variants in each 10-pack.  From our tank to your tank! Ideal water temperature for cold water shrimp: 65 to 70 degrees Fahrenheit We have mastered the art of keeping and shipping aquatic life! We are the largest tropical fish importer and wholesaler in the Northwest.  We built this store to service small businesses and experienced hobbyists.  Beginner, please visit your local pet store! All Aqua Huna brand animals come with a 100% live arrival guarantee! For DOA refunds:  Photo is required Domestic shipping only!  Sorry, we cannot ship to anyone in Hawaii & Washington State. We ship on Monday, Tuesday, and Wednesday via USPS Priority Mail.  Once we get your order, we will ship it within 1 to 3 business days.  For the safety of the animals, we do not ship aquatic life on Thursday and Friday. We do not want live aquatic animals sitting in USPS warehouse over the weekend. Thank you for your understanding. Note: Shrimp can live in the shipping box 2 weeks / 14 days + They can handle COLD! When you receive the shrimp, if the water is very cold, let them sit in the open shipping box for 2 hours before you put them in the tank. Slowly warming them up is very important!  Note:  Shrimp are very hard to count.  Please put them in a small container, then count them! Make sure to check the sponge they are shipped with for shrimp before throwing it away. Male/Female: Will be picked at random (no custom orders) If your shrimp are shipped in a breather bag, you can find the bag of shrimp wrapped inside a paper towel. See photo for example of how your order may arrive.