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One-Lined Pencilfish (Nannostomus unifasciatus)
From The Aquarium Wiki
(Redirected from One-Lined Pencilfish)
| One-Lined Pencilfish | |
| |
| One-Lined Pencilfish | |
| Species | Nannostomus unifasciatus |
| Family | Lebiasinidae |
| Difficulty | Moderate |
| Min. Tank Size | 94.635 liters 94,635.295 mL 25 US Gallons (94.6L) |
| Size | 1.575 in
3.5-4 cm (1.4-1.6") |
| sg | Freshwater |
| pH | 5.5 - 7.0 |
| Temp. | 298.15 K 77 °F 536.67 °R 301.15 K |
| Water Hardness |
4-8 °d |
| Stocking Ratio | 1:2 M:F |
| Availability | Uncommon |
| Diet | |
| Life Span |
3-5 years |
| Habitat | |
Contents |
[edit] Alternative names
- One-Lined Pencilfish, Oneline Pencilfish
[edit] Synonyms
- Nannobrycon unifasciatus, Poecilobrycon unifasciatus
[edit] Sexing
- The anal fin of the male has red colouration, while a female's anal fin will only be white and black. Mature females are also plumper than males. These fish are tricky to breed in captivity.
[edit] Tank compatibility
- A peaceful fish that must be kept in a shoal of at least 5 of its own kind. Keep with other non-predatory peaceful fish of similar size.
[edit] Diet
- Should accept most foods including live/frozen foods such as brine shrimp and daphnia as well as small pellet and flake food.
[edit] Feeding regime
- Feed once or twice a day.
[edit] Environment Specifics
- These fish require a mature spacious tank without very bright lighting. They appreciate a planted tank with floating plants to diffuse the light, combine dense planting with some open swimming space. They prefer a dark substrate to a light one. These fish can be very sensitive to water chemistry, preferring acidic water.
[edit] Behaviour
- This is a peaceful active little fish that are known to swim at an angle. When they are stressed by water conditions their colours will fade.
[edit] Identification
- A slender elongated fish which has an olive green-brown back. A fine, iridescent gold-coloured line extends from the tip of the snout, through the eye and to the caudal fin. Right below this line is a broad, black band that also extends from the snout, through the eye, and continues to the tip of the lower lobe of the caudal fin. The belly is pale cream-white. A small, black, oval spot is located on the upper lobe of the caudal fin. The anal fin is black with a white edging, while the other fins are transparent.
