A record of pughead deformity in Satanoperca jurupari (Heckel, 1840) (Teleostei: Cichlidae) in the Lower Rio Tocantins Basin
Um registro de deformidade craniana (“pughead”) em Satanoperca jurupari (Heckel, 1840) (Teleostei: Cichlidae) na Bacia do Baixo Rio Tocantins
Lais Lobato Jacob; Felipe Arian de Andrade Araújo; Renan Leão Reis; Júlia Gabrielle Carvalho Nascimento; Alberto Akama
Abstract
Keywords
Resumo
A condição pughead é uma deformidade craniana caracterizada pelo encurtamento da mandíbula superior em relação à mandíbula inferior. Neste estudo, relatamos a ocorrência dessa deformidade em um exemplar de Papa-terra, Satanoperca jurupari, coletado no Baixo rio Tocantins. As regiões anatômicas mais afetadas incluem a mandíbula superior, o suspensório e a porção anterior do neurocrânio. Embora a poluição por agroquímicos utilizados no cultivo de palma próxima ao local de coleta seja uma possível causa contribuinte, não há evidências diretas que confirmem essa hipótese. Este é o primeiro registro da condição “pughead” em Satanoperca e o primeiro relato dessa deformidade em uma espécie de rios do Escudo Brasileiro.
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References
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Submitted date:
11/07/2024
Accepted date:
06/17/2025
Publication date:
08/29/2025
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