1 XL Portion of Willow Moss (Fontinalis antipyretica) aka Weeping Moss - Similar to Java Moss! (5x5 square inch loose portion) by Aquatic Arts The moss may be very dark green on arrival. This is normal, and with proper conditions the moss will become a vibrant green within a couple weeks. Aquatic Arts plants are the most highly rated aquarium plants on Amazon for a reason: we are not deceptive about what you will actually receive, and we stand behind our products 100%. Does not need special or high intensity lighting, and can be kept in any freshwater aquarium. Great for fish and dwarf shrimp fry! Provides biofilm, hiding places, and security for the young when you place it in a breeding tank. Much larger strands and branches than Java Moss.