There are several synonyms for the term "glass frog," which refers to a small, transparent amphibian found in Central and South America. One common synonym is "see-through frog," which captures the creature's distinct anatomy and appearance. Another term is "crystal frog," which emphasizes the glass-like properties of the frog's skin. "Emerald glass frog" is a specific type of glass frog that has bright green skin and is found in the rainforests of Ecuador and Colombia. "Hyalinobatrachium" is the scientific genus name for glass frogs, which is derived from the Greek word "hyalos" meaning "glass" and "batrachos" meaning "frog." These names all highlight the unique and fascinating qualities of these small, translucent creatures.