The Ukrainian stickleback (Pungitius platygaster) also known as Caspian ninespine stickleback; southern ninespine stickleback; Aral ninespine stickleback, is a species of fish in the Gasterosteidae family.

Pungitius platygaster.

Pungitius platygaster (Southern ninespined stickleback)

The Ukrainian stickleback (Pungitius platygaster) also known as Caspian ninespine stickleback; southern ninespine stickleback; Aral ninespine stickleback, is a species of fish in the Gasterosteidae family.

Twenty-five fish species have been recorded in the river, seven of which are listed under the IUCN Redlist, including wild common carp, (Cyprinus carpio), Knipowitschia caucasica and the Aral Stickleback, (Pungitius platygaster).