https://orcid.org/0000-0002-2779-5224
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ABSTRACT
The genus Ozolaimus is characterised by presenting a dorsoventrally elongated mouth with two lateral lips, a very long oesophagus consisting of anterior portion strong and short, with a fusiform fold, and a thin posterior portion ending in a distinct bulb, an anteriorly dilated intestine, and absent lateral wings. Between February 2014 and September 2016, 11 specimens of the anuran Corythomantis greeningi were collected manually at the Ecological Station of Aiuaba, Ceará State, Brazil. After analysis, nine specimens of Ozolaimus cirratus infecting the large intestine of the referred specimen were recorded. Knowledge is still scarce about the ecological dynamics of pharyngodonid parasites and their parasitehost relationships; thus, this work is the first to record members of the genus Ozolaimus infecting the casqueheaded tree frog Corythomantis greeningi from the Caatinga biome. Previously, the only registered hosts of Ozalaimus parasites were iguanid lizards.
Acknowledgements
The authors thank Ludmila Andreu Funo for English revision and Elvis Franklin de Carvalho for assistance in assembling specimens for laboratory analysis. CSS thanks the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior – CAPES (Proc. 88887.888289/2023-00) for financial support. The authors thank the Central Analítica-UFC/CT-INFRA/MCTI-SISANO/Pró-Equipamentos CAPES for the support.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Author contributions
CSS and DHM conceived the research and led feldwork in Benguê reservoir in Aiuaba. CSS prepared the slides of specimens, images, tables and figures. PC and DHM actively participated in the discussion of the results, and reviewed and approved the fnal manuscript.