Photo contributed by Helena S. , Black Sunshine
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| Common name: | Knife Livebearer |
| Scientific name: | Alfaro cultratus |
| Synonyms: | (none) |
| Size: | 3" (7.5cm), females slightly larger. |
| Origin: | Nicaragua to western Panama |
| Tank setup: | Well planted tank with good circulation. |
| Compatibility: | Mix with other community fish which are not too aggressive. |
| Temperature: | 24-28oC (75-82oF) |
| Water chemistry: | Fairly soft to hard, around neutral pH (6.5-7.5). |
| Feeding: | Carnivore: will accept flake as well as live and frozen foods. |
| Sexing: | Males have a gonopodium and longer ventral fins. |
| Breeding: | Liveberaer, anywhere between 20-100 fry may be produced. |
| Comments: |
The common name refers to a keel shape formed by overlapping scales between the vent and tail fin.
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