Tuesday, May 17, 2016

[Herpetology • 2014] Brachycephalus crispus • A New Species of Brachycephalus (Anura: Brachycephalidae) from the Highlands of the Atlantic Forest, Southeastern Brazil

Brachycephalus crispus
 Condez, Clemente-Carvalho, Haddad & Dos Reis, 2014


A new species of brachycephalid frog is described from the highlands of the Atlantic Forest in Serra do Mar, municipality of Cunha, São Paulo State, southeastern Brazil. Specimens were collected amidst the leaf litter at approximately 920 m above sea level. The new species is distinguished from all of its congeners by the combination of the following characters: snout–vent length 9.5–15.6 mm; rough dorsum; general background color orange with a variable density of whitish spots on dorsum; skin on head and dorsum granular with dermal ossification; skull, spinal processes of sacral and presacral vertebrae, and process of the fourth vertebra hyperossified; absence of hyperossification in the central portion of the skull; dorsal surface of body covered by osteoderms. The new species was found active by day and is locally abundant. Males hold territories during the reproductive season. Females had few mature oocytes during the same period. The advertisement call of Brachycephalus crispus is a long and low-intensity buzz with a regular repetition of notes.

 Keywords: Advertisement call, Atlantic rainforest, Cunha, Direct-developing frog

Brachycephalus crispus, endemic to the Serra do Mar mountain range in the Atlantic Forest. Individuals are smaller than 2 mm. 
Etymology. — The specific epithet is a Latin adjective meaning rouged or rugous. The name is used in allusion to the roughness of the dorsum of this species. 

Distribution. — Brachycephalus crispus is known only from the type locality at Bacia B, Parque Estadual da Serra do Mar, Núcleo Cunha, Cunha municipality, São Paulo State, southeastern Brazil (Fig. 10).

Thais H. Condez, Rute B. G. Clemente-Carvalho, Célio F. B. Haddad and Sergio F. dos Reis. 2014. A New Species of Brachycephalus (Anura: Brachycephalidae) from the Highlands of the Atlantic Forest, Southeastern Brazil. Herpetologica. 70(1): 89-99. DOI: 10.1655/HERPETOLOGICA-D-13-00044

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