Knife Livebearer

Common name Knife Livebearer Picture of Knife Livebearer
Photo contributed by Helena S.
Black Sunshine

Scientific name Alfaro cultratus

Synonyms

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 24-28^oC (75-82^oF)

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 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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This website was last updated on 18th January 2008

Common name	Knife Livebearer	Photo contributed by Helena S. Black Sunshine
Scientific name	Alfaro cultratus
Synonyms
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	24-28^oC (75-82^oF)
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	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.