This dacnis occurs in Amazonian rainforest near rivers and in wetlands. Males have a yellow belly and red eye; females are olive-brown above.
Males have a yellow belly, red eye, and black head with dull green on the crown and nape. Females have olive-brown upperparts, dull brownish-buff underparts, and faint throat and breast mottling.
It lives in Amazonian rainforest near rivers and in subtropical or tropical swamps. Its diet includes fruit, nectar, and insects.
An extinction-risk assessment has not been added yet.