Tag Archives: blackstripe-pencilfish

Nannostomus harrisoni

19. March 2018

The Blackstripe pencilfish has been described from Guyana scientifically back in 1909. Here he fish inhabits exclusively the Demerara river basin. The beautiful species attains a maximum length of 4.5 cm and is very peaceful. Formerly the fish was placed in a separate genus, namely Poecilobrycon, due to the long snout. In the meantime the genus Poecilobrycon is considered to be a synonym of Nannostomus. Males differ from the females by the shape of the anal fin. Moreover this fin has a high degree of red coloration in males which is lacking in females.

There is a certain similarity between Nannostomus unifasciatus and N. harrisoni; in contrast to N. unifasciatus N. harrisoni does not swim in a head-up position as N. unifasciatus regulary does. So a confusion of living fish should be excluded.

After many years we can offer now this beauty again. The fish are wild collected ones from Guyana.

For our customers: the animal has code 272004 on our stocklist. Please note that we exclusively supply the wholesale trade.

Text & photos: Frank Schäfer