Dendrobates tinctorius 'New River' - Dyeing Poison Arrow Frog New Rivers are a large rare locality of tinctorius dart frog. They are light creamy blue to dark blue or black patterning. These dart frogs are bold and daytime active but quiet. First picture is of a parent while the next one is available babies. $75 each I have established babies for sale as seen at the Wasatch Reptile Show in May and October.