Chocolate Shrimp is the closest in coloration to its natural form. These brown shrimp however are bred over generations for a more solid brown.
Chocolate shrimp follow the same grading guide as Red Cherry shrimp: Cherry, Sakura, and Fire. The Cherry grade is transparent with specks of brown across its body. The Sakura is a more translucent brown, having only minor lines of dots of clear through its carapace. The Fire is entirely brown and has no obvious lines anywhere on its body. Painted Fire is referred to Fire grades that are completely opaque, and its saddles and eggs are on visible when viewed through high lighting.