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Polypterus weeksii
From The Aquarium Wiki
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| Fathead Bichir | |
| |
| Fathead Bichir | |
| Species | Polypterus weeksii |
| Family | Polypteridae |
| Difficulty | Moderate |
| Min. Tank Size | 378.541 liters 378,541.178 mL 100 US Gallons (378.5L) |
| Size | 21.26 in
45-54 cm (17.7-21.3") |
| sg | Freshwater |
| pH | 6.5 - 7.5 |
| Temp. | 296.15 K 73.4 °F 533.07 °R 300.15 K |
| Water Hardness |
6-16 °d |
| Stocking Ratio | 1:1 M:F |
| Availability | Uncommon |
| Diet | |
| Life Span |
8-15 years |
| Habitat | |
Contents |
[edit] Alternative names
- Fathead Bichir, Mottled Bichir, Week's Bichir
[edit] Synonyms
- Polypterus schoutedeni, Polypterus weeksi
[edit] Sexing
- Unknown
[edit] Tank compatibility
- A relatively peaceful Bichir, however, will eat smaller fish. Should only be kept with robust peaceful fish larger than itself. Will cohabit with other Bichirs.
[edit] Diet
- More detail on diet...
[edit] Feeding regime
- How often to feed, etc.
[edit] Environment Specifics
- Unknown
[edit] Behaviour
- A bottom-dwelling large predatory fish. Only a threat to fish smaller than itself.
[edit] Identification
- This species usually has a very clear distinction between the dark greyish-green dorsal surface and the whitish ventral surface. Several dark bands are present which may fork towards the bottom. The head is relatively large, giving rise to one of the common names of 'fat-headed' Bichir. This species retains external gills much longer than most other Polypterus species. There are 9-11 dorsal finlets.
