| Answer | Crossword Clue |
|---|---|
| microfaunae | MICROFAUNA, very small animals |
| microfaunal | relating to microfauna, very small animals |
| microfauna | very small animals |
| parvoviruses | Any of a class of very small viruses chiefly affecting animals, esp. one (canine parvovirus) that causes contagious disease in dogs |
| piranha | any of various usually small South American characin fishes (genera Serrasalmus and Pygocentrus) that have very sharp teeth, often appear in schools, and include some that may attack and inflict dangerous wounds upon humans and large animals called also caribe |
