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Two-striped Pencilfish Care Guide

Nannostomus bifasciatus is a slim pencilfish from the coastal rivers of Suriname and French Guiana, marked by two horizontal stripes.

Overview

Nannostomus bifasciatus is a slim pencilfish of the family Lebiasinidae. The specific epithet means "twice-banded", referring to the two horizontal stripes along the flanks. FishBase gives a maximum standard length of about 3.4 cm. It was described by the Dutch ichthyologist Jacobus Johannes Hoedeman in 1954.

Taxonomy

  • Family: Lebiasinidae
  • Genus: Nannostomus
  • Scientific name: Nannostomus bifasciatus (Hoedeman, 1954)

Habitat

FishBase records the species from the coastal rivers of Suriname and French Guiana; Wikipedia adds occurrences in Amapá, Brazil, with the type locality at Berg en Dal on the Suriname River. These are tropical lowland waters on the Guiana Shield.

Tank requirements

  • Minimum tank volume: 60 L
  • Temperature: 23-27 °C (73-81 °F)
  • pH: 5.5-7.0
  • GH: 1-8 °dGH (soft water)
  • School size: 6 or more individuals
  • Lifespan: 3-5 years
  • A calm, planted tank suits this small surface fish

Diet

As with other small Nannostomus, this is a micropredator best fed small live and frozen foods such as Artemia nauplii and Moina alongside suitably sized dried preparations.

Conservation status

IUCN Red List: Least Concern (assessed 2020).

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