18 Hatchet and Pencil Fishes
Description
This article is from the Aquaria: Good (and Bad) First Fish; Breeding FAQ, by Dean Hougen and Elaine Thompson
18 Hatchet and Pencil Fishes
Somewhat related to Tetras, Hatchets (family Gasteropelecidae) and
Pencils (genus Nannostomus) are Characins from South America. Many of
them need soft and acid water and all of them are delicate. Hatchets
have the added disadvantage that they tend to launch themselves out of
the aquarium to an untimely death.
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