Males perch on ferns to call for mates, and the species exclusively uses Sagittaria lancifolia, the bulltongue arrowhead, to lay egg clutches.

[2] Historically, its range may have been larger, but a large majority of coastal wetlands were drained and converted to agriculture since Spanish colonization in the 1500s, and to urban development since the early 1900s.

[2] Coquí llanero have greater population densities during the rainy season from May to November, compared to drier months of February to April.

This jelly coat as well as complete lack of parental care are unique attributes of the species compared to other Puerto Rican coquí.

A study observed hatchlings staying close to the eggs for 3 days to absorb the remaining yolk reserve before dispersing.