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Related FAQs: Lebiasinid Fishes,

Related Articles: Characiform FishesLarge Pencils (family Anostomidae),

/The Conscientious Aquarist, /A Diversity of Aquatic Life

The Smaller Pencilfishes, Splashing Tetras and More, family Lebiasinidae,  In Aquariums

Bob Fenner

Nannostomus beckfordi

 
Copella arnoldi (Regan 1912), the Splash/ing Tetra. South America; the lower Amazonas, coastal Guianas. To about two and a quarter inches in length. Cond.s: pH 6-8, dH 5-12, temp. 25-29 C. Noted for its reproductive habits of jumping out of the water, laying, fertilizing eggs on the underside of leaves, splashing them to keep them moist. Aquarium image. 


Nannostomus beckfordi Gunther 1872, the Golden Pencilfish. South America; Guyana to the Rio Negro. To two and three quarters inch in length. Cond.s: pH 6-8, dH 5-19, temp. 24-26 C. Aquarium pix.

Nannostomus digrammus (Fowler 1913), the Two-Stripe Pencilfish. South America; Rio Madeira, lower and middle Amazon and Guyana. To 2.8 cm. in length. Cond.s: pH 5,8-6.8, dH 6.0, temp. 24-26 C. Aquarium pic. 

Nannostomus eques Steindachner 1876, the Brown Pencilfish. South America; the central Amazon and Peruvian Amazon. To two inches in length. Cond.s: pH 5-6, dH 5-12, temp. 23-28 C. http://fishbase.sinica.edu.tw/Summary
/speciesSummary.php?ID=10754&genusname=
Nannostomus&speciesname=eques

Nannostomus espei  (Meinken 1956), the Barred Pencilfish. 4 cm. South America: Mazaruni River system, Guyana. http://fishbase.org/Summary/
speciesSummary.php?ID= 10756&genusname=
Nannostomus&speciesname=espei

Nannostomus marginatus Eigenmann 1909, the Dwarf Pencilfish. South America; the Lower Amazon, Guyana, Suriname, Colombia. To one and a half inch in length. Cond.s: pH 5.8-7.5, dH to 15, temp. 24-26 C. 

Nannostomus mortenthaleri, Paepke & Arendt 2001, the Coral/Ruby Pencilfish. South America. Interzoo 2010
http://www.fishbase.org/Summary/SpeciesSummary.php?id=62162

Bigger PIX: The images in this table are linked to large (desktop size) copies. Click on "framed" images to go to the larger size.

Nannostomus unifasciatus Steindachner 1876, Oneline Pencilfish. http://fishbase.org/Summary/
speciesSummary.php?ID= 10761&genusname=
Nannostomus&speciesname=unifasciatus


Neolebias trilineatus, tentative ID

Bibliography/Further Reading:

Ophir, Michael. 2001. A look at some Pencilfish. All fish, no erasers. AFM 2/2001

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