Gyratrix hermaphroditus

Gyratrix hermaphroditus is a species of rhabdocoel flatworm in the family Polycystididae.

Description
The animal is 1 to 1.5 mm long, transparent and colorless. It possesses a proboscis at the anterior end and a sharply pointed stylet.

Taxonomy
It was described by Christian Gottfried Ehrenberg in 1831. Gyratrix hermaphroditus represents a species complex.

Distribution and habitat
Members of the species complex occur in both marine and inland water habitats.

Ecology and behavior
It is known to feed on copepods and cladocerans.