Record of cleaning behavior by Platydoras costatus (Siluriformes: Doradidae) in the Amazon Basin, Brazil

  • Carvalho L
  • Arruda R
  • Zuanon J
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Abstract

Records of cleaning symbiosis between freshwater fish are scarce. Here we report on juvenile catfish, Platydoras costatus, cleaning the piscivorous characin Hoplias cf. malabaricus in a stream of the rio Araguaia drainage in the Brazilian Amazon. The scarcity of records on cleaning behavior in freshwater systems seems to be in part a consequence of the few observational studies under natural conditions in the Neotropics. Otherwise, the rareness of this behavior in freshwaters is possibly related to the short evolutionary time available to the fish fauna to develop these complex interactions, when compared to the ocean environment.Registros de simbiose de limpeza entre peixes dulcícolas são raros. No presente trabalho registramos um juvenil de Platydoras costatus, limpando uma traíra, Hoplias cf. malabaricus em um riacho do rio Araguaia, Bacia Amazônica. A escassez de registros de comportamento de limpeza em peixes de água doce parece ser uma conseqüência dos poucos estudos subaquáticos nos Neotrópicos. Por outro lado, a raridade deste comportamento em ambientes dulcícolas está possivelmente relacionada ao curto tempo evolutivo disponível para o desenvolvimento de interações complexas, quando comparada ao ambiente marinho.

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Carvalho, L. N., Arruda, R., & Zuanon, J. (2003). Record of cleaning behavior by Platydoras costatus (Siluriformes: Doradidae) in the Amazon Basin, Brazil. Neotropical Ichthyology, 1(2), 137–139. https://doi.org/10.1590/s1679-62252003000200009

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