The phrase "green mucus" refers to the thick, sticky fluid that can come out of your nose or throat when you are sick. It is green in color, which can indicate that you have an infection or an illness. Full definition
If you see green mucus after 3 days, return to the Veterinarian. (dog-health-guide.org)
The so - called «starvation stools» are seen in an emaciated child who passes traces of green mucus in place of normal stools. (rehydrate.org)
In addition, the research revealed that fish biofluorescence is extremely variable, ranging from simple eye rings to glowing green mucus secreted on the outside of fishes to complex fluorescent patterns throughout the body, including internally, suggesting that the ability to glow evolved a number of times in fishes. (sciencedaily.com)