Nyctimantis arapapa (Pimenta, Napoli & Haddad, 2009)
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.

Map of Bahia state
Raphael Lorenzeto de Abreu · CC BY 2.5 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
Nyctimantis arapapa, also known as Bahia's broad-snout casque-headed tree frog, is a species of frog endemic to the Atlantic Rainforest of southern Bahia, Brazil. The frogs of the genus Nyctimantis are distinguished by a bony plate on top of their heads, referred to as "casque-headed". Casque-headed frogs are characterized by their phragmotic behavior. N. arapapa is further characterized by the long bill-shaped "snout" they possess, similar to that of Triprion petasatus, a head longer than it is wide, and their small size (male snout-vent length 57.4–58.1 mm). This species, and all species of Nyctimantis, use their unique head shape to seal off the leaves of bromeliads, the plant they inhabit solely. This has two known purposes: warding off predators from the frog as well as their young (the male performs this action), and trapping moisture.
Wikipedia contributors, Nyctimantis arapapa; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T17:24:19.448310+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Nyctimantis arapapa (Pimenta, Napoli & Haddad, 2009)
- Name authority
- (Pimenta, Napoli & Haddad, 2009)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Amphibia
- Order
- Anura
- Family
- Hylidae
- Genus
- Nyctimantis
- Extinction status
- Recorded extant
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classAmphibia
- orderAnura
- familyHylidae Rafinesque, 1815
- genusNyctimantis Boulenger, 1882
- speciesNyctimantis arapapa (Pimenta, Napoli & Haddad, 2009)
Close classified relatives
These entries share the source’s genus, Nyctimantis. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Nyctimantis siemersi (Mertens, 1937) | HylidaeChordata | Accepted speciesRecorded extant |
| Nyctimantis rugiceps Boulenger, 1882 | HylidaeChordata | Accepted speciesRecorded extant |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Aparasphenodon arapapa Pimenta, Napoli & Haddad, 2009 Pimenta, Napoli & Haddad, 2009 | synonym |
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=1270501 Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:QPYN5. Classification follows source parent identifiers. English common names may vary by region.