Relação peso comprimento rostro cloacal do gênero Rhinella (Anura; Bufonidae) em brejos de altitude do estado de Pernambuco-Brasil.

Abstract

The present work deals with the weight-length relation of the species Rhinella jimi, Rhinella granulosa and Rhinella crucifer in three brejos of altitude located in the municipality of Taquaritinga do Norte, Caruaru and Bezerros of the state of Pernambuco. Where this relationship is used to describe the energy use in these populations during the collection period, in which these altitude wetlands are wet and isolated exception areas in the semi-arid zones of the northeastern region and the sertão. The collections were carried out bimonthly in the months of October 2017 to December 2018, which were carried out in three highland swamps of the state of Pernambuco, in which the captured individuals were euthanized by overdose of the anesthetic Lidocaine 5%, and later biometric data were collected, such as face-cloacal length ( CRC) and the total mass (g). We captured 44 individuals of the species Rhinella Jimi, Rhinella crucifer and Rhinella granulosa, where we can see that all populations of individuals presented the same allometry coefficient (b) <1, indicating a growth negative allometric. . However, it can be observed that the species had the same rates of energetic gain and body mass, in which these can be related to the different environmental conditions and to the characteristic biogenetic aspect of each species.