期刊
FISHES
卷 8, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/fishes8070363
关键词
fish; spinal curvature; malformation; Amazon
In this study, we report the occurrence of body shortening in Plagioscion squamosissimus specimens collected in the Volta Grande do Xingu, middle Xingu River area, Para, Brazil. We observed morphological anomalies in nine individuals, two of which underwent radiographic analysis, revealing fusion and compression of vertebrae in different parts of the spine. The deformity resulted in an average decrease in body length of 23.8%. This is the first record of malformation in this species.
Observations of skeletal malformations in fish in the wild are poorly documented and need to be investigated. Here we report the occurrence of body shortening in specimens of Plagioscion squamosissimus collected in the Volta Grande do Xingu, middle Xingu River region (Para, Brazil), during a 12-month monitoring program (2021-2022). We observed morphological anomalies in nine individuals, of which two underwent radiographic analysis, recording the fusion and compression of vertebrae in different portions of the spine. The average percentage decrease in body length resulting from the deformity was 23.8%. This is the first record of malformation in this species.
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