A. nigricans
# A. nigricans

A. nigricans may refer to:

* Acacia nigricans, a wattle species endemic to an area on the south coast of Western Australia
* Acanthurus nigricans, a tang fish species from the Eastern Indian Ocean
* Acronicta nigricans, a moth species found in western China
* Aspideretes nigricans, the black soft-shelled turtle or Bostami turtle, a freshwater turtle species found in India and Bangladesh
* Avrainvillea nigricans, an algae species in the genus Avrainvillea

## Synonyms

* Australorbis nigricans, a synonym for Biomphalaria tenagophila, an air-breathing freshwater snail species
