The Torrent Tyrannulet is a small tyrant flycatcher recorded along Andean streams and rivers. The El Oro guide gives an elevation range of 700–3,100 m.
It is about 11.5 cm long. The body is light gray; the head, wings, and tail are black, with white edges on the wing feathers.
It perches alone or in pairs on branches or rocks near water, feeds on insects, and moves its tail.
An extinction-risk assessment has not been added yet.