Herpetology Notes, volume 14: 883-886 (2021) (published online on 10 June 2021)

New state record for geayi Mocquard, 1904 (Anura, ), with an updated distribution map

Rodrigo Tavares-Pinheiro1, Vinícius A.M.B. de Figueiredo1,*, and Carlos Eduardo Costa-Campos1

The genus Ctenophryne Mocquard, 1904 is distributed Venâncio, 2010; Prudente et al., 2013; Waldez et al., throughout Costa Rica, , , Panama, 2013; Ferreira et al., 2017; Lemos, 2017; Menin et al., , and Surinam, as well the Guiana region and 2017), Maranhão (Freitas et al., 2014, 2017), Mato Amazonia (Frost, 2021), and currently comprises six Grosso (São-Pedro et al., 2009; Noronha et al., 2015), species: Ctenophryne aequatorialis (Peracca, 1904), Pará (Lima, 2009; Mendes-Pinto and Souza, 2011; C. aterrima (Günther, 1901), C. barbatula (Lehr & Bernardo et al., 2012; Pinheiro et al., 2012; Barros et al., Trueb, 2007), C. carpish (Lehr, Rodriguez & Córdova, 2014; Vaz-Silva et al., 2015), and Rondônia (Bernarde, 2002), C. geayi Mocquard, 1904 and C. minor Zweifel 2007; Sorókin et al., 2011; Zaqueo, 2017). & Myers, 1989 (de Sá et al., 2012; Frost, 2021). Of Herein we report a new state record of C. geayi in these species, only C. geayi is known to occur in Brazil, and provide an updated distribution map for the (Segalla et al., 2019). species using primary data from our field expeditions, The snout-vent length (SVL) of supplemented with secondary data obtained from the ranges from 32.2–43.3 mm in males and 42.4–55.1 mm literature and the Global Biodiversity Information in females (Zweifel and Myers, 1989). This is a fossorial Facility (GBIF, 2021). and nocturnal species, mostly found under leaves at the On 20 February 2021, during the rainy season, edge of semipermanent ponds in primary forests, and is we collected a single male of C. geayi in a primary widely distributed in (Harvey, 1998), Colombia forest (terra firme forest) using pitfall traps with (Zweifel and Myers, 1989), Ecuador (Duellman, 1978), drift-fences during a field expedition in the Reserva (Kok, 1998; Massary and Lescure, de Desenvolvimento Sustentável do Rio Iratapuru 1998; Mayer et al., 2019), (Ernst et al., 2005; (0.5863°S, 52.6008°W; elevation 66 m), municipality Reynolds and MacCulloch, 2012), Peru (Schlüter and of Laranjal do Jari, Amapá State, Brazil (Fig. 1). Despite Lima, 1991; Zweifel and Myers, 1989; May et al., 2008; the area being sampled quarterly since 2019, C. geayi Padial et al., 2016; Villacampa et al., 2017; Mayer et al., was not found in any of the previous samples, and thus 2019), (Duellman, 1997; Barrio-Amorós et can be considered rare/uncommon. In the same area, al., 2019), and (Ouboter and Jairam, 2012). we also recorded other species of Amphibia, such as In Brazil, C. geayi occurs throughout the Amazon basin bufonids (Rhaebo gutattus, Rhinella margaritifera and and may be found in transition areas with the Cerrado R. marina), leptodactylids (Adenomera andreae and biome; with records in the states of Acre (Bernarde et Lithodytes lineatus), and the microhylid Chiasmocleis al., 2011; Araújo et al., 2018), Amazonas (Zweifel and shudikarensis. Myers, 1989; Neckel-Oliveira and Gordo, 2004; Lima The specimen was identified and sexed by the et al., 2006; Menin and Rodrigues, 2007; França and combination of the following traits: a pale brown dorsum with a mid-dorsal pale line according to Cochran and Goin (1970) and Zweifel and Myers (1989); venter of a brown darker than the dorsum and separated from it by a rather sharp line of demarcation; webbed feet with 1 Laboratório de Herpetologia, Departamento de Ciências males consistently having more extensive webbing than Biológicas e da Saúde, Universidade Federal do Amapá, females and dark chin in males. The specimen (SVL = Campus Marco Zero do Equador, 68903-419, Macapá, 48.6 mm) was euthanised and fixed in accordance with Amapá, Brazil. guidelines of the American Society of Ichthyologists * Corresponding author. E-mail: [email protected] and Herpetologists and deposited in the Coleção © 2021 by Herpetology Notes. Open Access by CC BY-NC-ND 4.0. Herpetológica of the Universidade Federal do Amapá, 884 Rodrigo Tavares-Pinheiro �t al.

Figure 1. Adult male of Ctenophryne geayi. (A) Dorsal view. (B) Ventral view. (C) Primary forest where the male was found, municipality of Laranjal do Jari, Amapá State, Brazil. (D) Pitfall traps with drift-fences in which the specimen was collected. Photos by Rodrigo Tavares-Pinheiro.

municipality of Macapá, Brazi, under the voucher Acknowledgments. We are grateful to Pedro L. V. Peloso for CECC 3607. help with species identification. Collection permits were provided We report the first C. geayi distribution record for by the Instituto Chico Mendes de Conservação da Biodiversidade (SISBIO/ICMBio # 48102-3). Amapá State, Brazil. In a straight line, the location is approximately 2339 km east from the type locality (Sarare River in Colombia, Zweifel and Myers 1989), References and 185 km north from the closest known locality, the Araújo, J.S., Corrêa, F., Soares, L.J., Souza, M.B. (2018): Record of Floresta Nacional de Caxiuanã (1.9602°S, 51.6152°W), predation by two Rhinella major and Ctenophryne Pará State (Fig. 2). This record helps to fill the large geayi by Erythrolamprus dorsocorallinus (Esqueda, Natera, distribution gap for this widespread species in the La Marca & Ilija-Fistar, 2005) (Serpentes: Dipsadidae) in northwestern Brazil. Brazilian Journal of Biology 78: 793–795. north portion of the Brazilian Amazonia. Our findings Barrio-Amorós, C.L., Rojas-Runjaic, F.J.M., Señaris, J.C. (2019): encourage and reinforce the importance of inventories of Catalogue of the amphibians of Venezuela: Illustrated and Brazilian anuran species, as distributional data of many annotated species list, distribution, and conservation. species are still deficient. Also, this new distribution and Reptile Conservation 13: 1–198. record of C. geayi may be useful for a new assessment Barros, F.B., Pereira, H.M., Vicente, L. (2014): Anfíbios anuros da of its conservation status. Reserva Extrativista Riozinho do Anfrísio (Pará, Brasil). Gaia Scientia 8: 156‒173. Bernarde, P.S. (2007): Ambientes e temporada de vocalização da anurofauna no Município de Espigão do Oeste, Rondônia, New state record for Ctenophryne geayi with an updated distribution map 885

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Figure 2. Distribution map of the known localities for Ctenophryne geayi based on the present study and literature records (see text for locality references). White star is the type locality in Colombia (Sarare River) and black circles are previous records. Yellow star represents our new record at the Reserva de Desenvolvimento Sustentável do Rio Iratapuru, municipality of Laranjal do Jari, Amapá State, Brazil. Abbreviations of Brazilian states: AC = Acre; AP = Amapá; AM = Amazonas; MA = Maranhão; MT = Mato Grosso; PA = Pará; RO = Rondônia.

Accepted by Renato Nali