Trichomycterus poikilos

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]

Trichomycterus poikilos
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Trichomycteridae
Genus: Trichomycterus
Species:
T. poikilos
Binomial name
Trichomycterus poikilos
Ferrer & Malabarba, 2013

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]

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References
  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. Sociedade Brasileira de Ictiologia. 11 (2): 217–246. doi:10.1590/S1679-62252013000200001.

Further reading


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