1. Life-history traits of Farlowella hahni (Siluriformes, Loricariidae) in streams of the Ivinhema River Basin, Upper Paraná Basin
- Author
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Yzel Rondon Súarez, D. P. Moraes, R. S. Figueiredo, and L. F. Viana
- Subjects
Male ,0106 biological sciences ,Population ,Drainage basin ,Zoology ,Biology ,reprodução ,Neotropical fish ,010603 evolutionary biology ,01 natural sciences ,reproduction ,Rivers ,Farlowella hahni ,Abundance (ecology) ,lcsh:Botany ,lcsh:Zoology ,Animals ,estrutura populacional ,lcsh:QL1-991 ,lcsh:Science ,education ,Life History Traits ,lcsh:QH301-705.5 ,Catfishes ,education.field_of_study ,geography ,geography.geographical_feature_category ,010604 marine biology & hydrobiology ,population structure ,biology.organism_classification ,Fecundity ,peixes Neotropical ,lcsh:QK1-989 ,Gonadosomatic Index ,lcsh:Biology (General) ,Female ,lcsh:Q ,General Agricultural and Biological Sciences ,Brazil ,Sex ratio - Abstract
Brazilian laws allow the catch of some species as ornamental fish; however, in the absence of biological information, such catch can threaten species conservation. Therefore, this study aimed to offer population and reproductive information about Farlowella hahni in streams of the Ivinhema River Basin, Upper Paraná Basin. To accomplish this, a total of 165 F. hahni individuals were analyzed, including 109 females and 48 males, resulting in an important sex ratio difference from 1:1 (χ 2=19.97; p
- Published
- 2019
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