Photographic Prints › Hatchling Koch's Barking Gecko (Ptenopus kochi) Image 1 of 1 Hatchling Koch's Barking Gecko (Ptenopus kochi) from $19.99 This is a high-resolution photographic print on glossy photo paper of a hatchling Koch’s barking gecko (Ptenopus kochi). Size: Select Size 8x10" Glossy 11x14" Glossy Quantity: Add To Cart Added! This is a high-resolution photographic print on glossy photo paper of a hatchling Koch’s barking gecko (Ptenopus kochi).