Evadne spinifera is characterized by its spiny body, an identifying feature contributing to its species name 'spinifera'.

[2] Evadne spinifera is oval shaped and generally transparent, with a prominent compound eye.

[2] Evadne spinifera is a filter feeder, consuming plankton and detritus approximately 20 and 170 μm.

[3] As a filter feeder, Evadne spinifera plays a role in maintaining water quality by removing excess organic matter.

It also serves as a food source for other aquatic organisms, including smaller fish and other invertebrates.