| Journal: | Anais da Academia Brasileira de Ciencias |
| Database: | PERIÓDICA |
| System number: | 000435997 |
| ISSN: | 0001-3765 |
| Authors: | Pinheiro, Raul H.S1 Cardoso, Patrick J.C2 Monks, Scott3 Santos, Jeannie N4 Giese, Elane G2 |
| Institutions: | 1Universidade Federal do Oeste do Para, Instituto de Ciencias e Tecnologia das Aguas, Santarem, Para. Brasil 2Universidade Federal Rural da Amazonia, Instituto da Saude e Producao Animal, Belem, Para. Brasil 3Universidad Autónoma del Estado de Hidalgo, Centro de Investigaciones Biológicas, Pachuca, Hidalgo. México 4Universidade Federal do Para, Instituto de Ciencias Biologicas, Belem, Para. Brasil |
| Year: | 2020 |
| Volumen: | 92 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Analítico, descriptivo |
| English abstract | This study aimed to describe the occurrence, morphology and prevalence of Spirocamallanus krameri, a parasite of Hoplerythrinus unitaeniatus collected in state of Pará, Brazil. The morphological and morphometric characteristics are consistent with the species S. krameri, by having a hexagonal mouth opening, 16 cephalic papillae and two lateral papillae on the amphids. The buccal capsule is internally different in both sexes, with (11–13) spiral ridges in males and (13–17) spiral ridges in females. The basal ring is well developed, and three teeth are present in males and absent in females. Ten sessile caudal papillae and a pair of phasmidial pores occur in males. The spicules are small, subequal, 81–101 µm in length and the tail is tapered. The vulva in females is postequatorial, the tail is conical with lateral phasmidial pores. Among the species of Spirocamallanus that have short spicules, the general morphology of S. krameri most resembles that of S. inopinatus, but differs from that species, which have two cephalic teeth visible (absent in S. krameri) and specimens of S. inopinatus do not have sexual dimorphism in the buccal capsule of present in S. krameri |
| Disciplines: | Biología |
| Keyword: | Helmintos, Taxonomía y sistemática, Nuevos registros, Parásitos de peces, Descripción taxonómica, Spirocamallanus krameri, Procamallaninae, Brasil |
| Keyword: | Helminths, Taxonomy and systematics, New records, Fish parasites, Taxonomic description, Spirocamallanus krameri, Procamallaninae, Brazil |
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