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Albinism in a Juvenile of Rhinella Crucifer Wied-Neuwied, 1821 (Anura: Bufonidae) from Southeastern Brazil

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Albinism in a Juvenile of Rhinella Crucifer Wied-Neuwied, 1821 (Anura: Bufonidae) from Southeastern Brazil Herpetology Notes, volume 11: 599-600 (2018) (published online on 04 August 2018) Albinism in a juvenile of Rhinella crucifer Wied-Neuwied, 1821 (Anura: Bufonidae) from southeastern Brazil Lorena P. Vasconcelos Barros¹,²,*, Rodrigo Fink Muniz², João Pedro Kloss-Degen², Thiago Marcial de Castro³, Jane C. F. Oliveira¹, and Carlos Frederico Duarte Rocha¹ Albinism is a genetic variation resulting from a (20.1673° S 40.1804° W, Datum = WGS84, maximum combination of homozygosis in recessive alleles, elevation 800 m a.s.l.), we recorded an albino juvenile leading to disturbance of the melanin system (Carden et (CRC: 40 mm) of Rhinella crucifer (Figure 1) in a al., 1998). Albino individuals tend to have less success pitfall trap at 45 m a.s.l. The individual was collected in their protection and communication with other under license number Sisbio 57085-2 and SEMMA individuals of the same species due to their different 18.731/2017 and housed at the amphibian collection of colour (Sazima and Pombal, 1986; Sazima and Di- the Museu de Biologia Professor Mello Leitão (MBML) Bernardo, 1991). Occurrences of albinism are known of the Instituto Nacional da Mata Atlântica (INMA), in for a variety of vertebrates throughout the world (e.g., the municipality of Santa Teresa, state of Espírito Santo, Arribas, 1986; Barg and Canepuccia, 2003; Brassaloti Brazil (albino individual voucher MBML 11095 and and Bertoluci, 2009; Escoriza, 2012; Johnston, 2006; regular individual voucher MBML 11096). McCreary, 2008). In anurans, albinism was recorded The individual was identified as Rhinella crucifer by worldwide in larvae, juveniles and adults (Martinuzzi its triangular to oval paratoid glands that protrude over et al., 2016).. In Brazil, records of albino tadpoles the body edge dorsally and short and rounded snout (see are known for at least three species: Leptodactylus Baldissera et al., 2004). latrans (Rodrigues and Oliveira Filho, 2004), Rhinella Albinism in the genus Rhinella was identified in ornata (Brassaloti and Bertoluci, 2009), and Boana tadpoles of R. ornata (Brassaloti and Bertoluci, 2009) albomarginata (Salles et al., 2013), while adult and and R. arenarum (Barg and Canepuccia, 2003), but juvenile albino anurans are documented for only one never before in a Rhinella crucifer adult. Although species: L. troglodytes (Santos and Silva, 2010). R. crucifer is an abundant species in the APA Mestre During a fieldwork on November 24th, 2017 at Área de Álvaro (manuscript in prep), this is the first anuran Proteção Ambiental (APA) Mestre Álvaro, municipality specimen with albinism recorded in our study. of Serra, state of Espírito Santo, southeastern Brazil Acknowledgments. LPVB thanks a Scientific Initiation Fellow from FAPERJ (Process n° 202.688/2017) and to Dr. Thiago Silva Soares of the National Institute of the Atlantic Forest (INMA) for helping her in the species identification, JCFO thanks Programa de Pós Doutorado FAPERJ Nota 10 (Process n° E-26/202.388/2017), 1 Departamento de Ecologia, Instituto de Biologia Roberto de and CFDR thanks Programa Cientistas do Nosso Estado (Process Alcantara Gomes, Universidade do Estado do Rio de Janeiro, nº E-26/102.765.2012 and E-26/202.920.2015). Rua São Francisco Xavier 524, Maracanã, 20550-019, Rio de Janeiro, Rio de Janeiro, Brazil References 2 FAESA - Faculdades Integradas Espírito Santenses, Curso de Ciências Biológicas. Avenida Vitória, nº 2220, Bairro Monte Arribas, O. (1986): Albinismo en Pelodytes punctatus (Daudin, Belo, CEP 29053-360, Vitória, Espírito Santo, Brazil 1802) (Amphibia, Anura, Pelodytidae). Revista Española de 3 Centro Universitário São Camilo, Rua São Camilo de Lellis, Herpetología 1: 330–334. 1, Paraíso, 29304-910, Cachoeiro de Itapemirim, Espírito Baldissera, F.A., Caramaschi, U., Haddad, C.F.B. (2004): Review Santo, Brazil of the Bufo crucifer species group, with descriptions of two new * Corresponding author. E-mail: related species (Amphibia, Anura, Bufonidae). Arquivos do [email protected] Museu Nacional Rio de Janeiro 62: 255–282. 600 Lorena P. Vasconcelos Barros et al. Figure 1. Total albinism in Rhinella crucifer individual evidenced by tegument without pigmentation and red eyes. Specimens (MBML 11095) registered in the municipality of Serra, state of Espírito Santo, southeastern Brazil. (A) lateral view and (B) dorsal view. Barg, M., Canepuccia, A.D. (2003): Albinismo en una larva de Bufo McCreary, B. (2008): Rana cascadae. Albinism. Herpetological arenarum. Boletin de la Asociacíon Herpetológica Española 14: Review 39: 79–80.– 29–30. Rodrigues, A.P., Oliveira Filho, J.C.D. (2004): Leptodactylus Brassaloti, R.A., Bertoluci, J. (2009): Albinism in tadpoles of ocellatus (Ra-manteiga). Tadpole albinism. Herpetological Rhinella ornata (Anura, Bufonidae) from southeastern Brazil. Review 35: 373. Herpetological Bulletin 106: 31–33. Santos, E.M., Silva, T.C.B. (2010): Albinismo parcial em Carden, S.M., Boissi, R.E., Schoettker, P.J., Good W.V. (1998): Leptodactylus troglodytes (Amphibia, Anura, Leptodactylidae). Albinism: modern molecular diagnosis. British Journal of Boletim Museu de Biologia Mello Leitão 28: 159–163.– Ophthalmology 82:189–1995. DOI 10.1136/bjo.82.2.189. Salles, R.O.L., Xisto, T., Ferreira, T., Nascimento, B. (2013): Escoriza, D. (2012): Description of a case of albinism in a tadpole Albinism in a tadpole of Hypsiboas albomarginatus (Spix, of Discoglossus pictus pictus (Anura: Discoglossidae) in Sicily. 1824) (Anura: Hylidae) from Southeastern Brazil. Herpetology Herpetology Notes 5: 311–312. Notes 6: 577–578.– Johnston, G.R. (2006): Scaphiopus holbrookii holbrookii, Albinism. Sazima, I., Pombal-Jr., J.P. (1986): Um albino de Rhamdella minuta, Herpetological Review 37: 211–212. com notas sobre comportamento (Osteichthyes, Pimelodidae). Martinuzzi, C., Peltzer, P.M., Attademo, A.M., Junges, C.M., Revista Brasileira de Biologia 40: 377–381.– Lajmanovich, R.C. (2016): Albinism in larvae of the Chacoan Sazima, I., Di-Bernardo M. (1991): Albinismo em serpentes frog Leptodactylus chaquensis (Anura, Leptodactylidae) from neotropicais. 0emórias do Instituto Butantan 53: 167–73. an urban lake from Argentina. Cuadernos de Herpetología 30: 69–73.73. Accepted by Fábio Hepp.
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