Yea fresh water red shrimps 
they max size at about 1 inch...if you looks on aquabid under inverts there are yellow, green, crystal red, and much more different type of fresh water shrimp...red cherries are the most common and the cheaper ones for beginners
they max size at about 1 inch...if you looks on aquabid under inverts there are yellow, green, crystal red, and much more different type of fresh water shrimp...red cherries are the most common and the cheaper ones for beginners