transparent
sciencepunk | March 5, 2009National Geographic has the scoop on this incredible fish that boasts a transparent, glass-like head. The two dots at the front of the fish are actually its smell organs, the eyes are under the green barrel-like structures, which can be tilted and pivoted to find food or detect predators. More pics and the full story here.
zooillogix | September 27, 2007Those crazy Japanese have done it again! By combining two types of recessive genes that cause frogs to be pale, they have created a frog with almost transparent skin. Unfortunately for the frogs, the advantages to testing on a see-through critter are numerous. For example, "You can see through the skin how organs grow, how cancer starts and develops," explained the lead researcher Masayuki Sumida, professor at the Institute for Amphibian Biology of state-run Hiroshima University. "You can watch organs of the same frog over its entire life as you don't have to dissect it. The researcher can…