Genus

Alfaro

Species: 1
Photographed: 1 of 1
Difficulty rated: 1 of 1

Where the name comes from

named for Anastasio Alfaro (1865-1951), who was Director of the National Museum of Costa Rica and “the best known scientist of the Republic” at the time when this genus was described.

Alfaro cultratusKnife Livebearer

Regan, 1908

This is an exceptionally hardy and adaptable species. It's not an especially common fish in stores, but is quite widely available in hobbyist circles. The common name arises from the row of modified, paired scales that form a keel running from the base of theto the caudal fin....

Easy

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