Byblia anvatara, the common joker, is a butterfly of the family Nymphalidae, found in Sub-Saharan Africa.

[1] Wingspan: 38–43 mm in males and 40–45 mm in females.

Its flight period is year round.

[2] Larvae feed on Tragia glabrata and Dalechampia capensis.

This article related to members of the butterfly subfamily Biblidinae is a stub.