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Ichthyological ethnoknowledge of the “piabeiros” from the Amazon region, Brazil
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Ichthyological ethnoknowledge of the “piabeiros” from the Amazon region, Brazil
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Journal Article
Ichthyological ethnoknowledge of the “piabeiros” from the Amazon region, Brazil
2021
Overview
Background
The capture of ornamental fish is one of the main economic activities of riverine families in the Amazon. However, studies regarding the local ecological knowledge of workers in this activity are still incipient. In view of this, we have studied and explored the local ecological knowledge of artisanal fishers who specialize in the capture of fish for the aquarium trade in the middle part of the Negro River basin and investigated issues related to the ecological aspects of the fish species that are targeted by this trade in the region.
Methods
Therefore, we conducted semi-structured interviews and applied questionnaires to artisanal fishers of ornamental fish (
N
= 89), from the municipality of Barcelos, from January to April 2016.
Results
In total, 41 popular names were cited, which correspond to four ethnocategories and 10 families. The main species were
Paracheirodon axelrodi
(12.5%),
Hemigrammus bleheri
(8.3%),
Ancistrus dolichopterus
(6.4%),
Symphysodon discus
(5.3%), and
Potamotrygon motoro
(3.8%). According to the fishers, the species of fish known in the region as “piabas” have a preference for living in clusters (28.9%) and carry out migratory movements (26.1%). The diet of local fish species reported by fisheries is diverse, though mainly based on periphyton (42.2%), and the reproductive cycle directly influenced by the period of flooding of rivers in the region (37.6%)
Conclusion
Our study revealed that the fishers possess information on the ecological aspects of local ornamental fish species, many of which are consistent with scientific literature. The information presented may assist in the decision-making process for the management of local fishery resources and contribute to the resumption of growth and sustainability in the capture of ornamental fish.
