Trichomycterus_poikilos

<i>Trichomycterus poikilos</i>

Trichomycterus poikilos

Species of fish

Trichomycterus poikilos is a species of pencil catfish endemic to Brazil, where it occurs in the Jacuí, Pardo and Taquari-das Antas river basins, tributaries of the Laguna dos Patos system, in the state of Rio Grande do Sul. This species reaches a maximum length of 9.25 centimetres (3.64 in) SL.[1]

Quick Facts Trichomycterus poikilos, Scientific classification ...

Etymology

The specific name poikilos is derived from the Greek adjective ποικίλος, meaning variegated, varicolored, and refers to the intraspecific color pattern variation of the species.[1]

Habitat and ecology

The species' type locality (municipality of Júlio de Castilhos, arroio Passo dos Buracos, upper Jacuí river basin) is a rapid flow river with clear water, a rocky bottom and submerged vegetation, located at approximately 405 m a.s.l.; at this site, T. poikilos is associated with the submerged vegetation.[1]

T. poikilos feeds on aquatic larvae of Diptera (Simuliidae) and Lepidoptera and nymphs of the Ephemeroptera and Plecoptera.[1]

References

  1. [1]
    Ferrer, J. & Malabarba, L. R. (2013). "Taxonomic review of the genus Trichomycterus Valenciennes (Siluriformes: Trichomycteridae) from the laguna dos Patos system, Southern Brazil" (PDF). Neotropical Ichthyology. 11 (2). Sociedade Brasileira de Ictiologia: 217–246. doi:10.1590/S1679-62252013000200001.

Further reading


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