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 Freshwater Desktop Pix FULL SIZE
 (For personal use only: NOT public domain)

(Mmm, right click, add, set as background...) Archive 19

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Nematobrycon palmeri Eigenmann 1911, the Black Emperor Tetra. South America; the Rio Atrato Basin. To 4.2 cm standard length. pH 5-8, dH 5-19, temp. 23-27 C. Feeds on worms and crustaceans in the wild. Aquarium photo.

Gasteropelecus sternicla (Linnaeus 1758), the River (one of the Silver) Hatchetfish. South America; Peruvian Amazon to middle Amazon, Guyanas and Venezuela. To two and a half inches in length. Cond.s: pH 6-7, dH to 15, temp. 23-27 C. Gregarious, living in groups at the surface. Eats worms, crustaceans, insects in the wild. Females larger. 
 
Nematobrycon palmeri Eigenmann 1911, the Black Emperor Tetra. South America; the Rio Atrato Basin. To 4.2 cm standard length. pH 5-8, dH 5-19, temp. 23-27 C. Feeds on worms and crustaceans in the wild. Aquarium photo.
 
Anostomus anostomus (Linnaeus 1758), the Striped Headstander. South America; Amazon, Orinoco, Guyana. To a bit over six inches in length. Cond.s: pH 6-8, dH 5-12, temp. 22-28 C. In the wild eats worms, crustaceans, insects and plant material. Can be a mean fish nipping tankmate to peaceful tankmates.



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