Fin's Fish Guide
The Pygmy swordtail (Xiphophorus pygmaeus) is a freshwater fish of the family Poeciliidae that grows up to 4 cm.
Description
The pygmy swordtail is a small livebearing toothcarp (Poeciliidae) from eastern Mexico. The species stays very small; unlike many related swordtails the males lack the long tail sword or have at most a tiny trace of one. It inhabits clear streams and brooks. As an omnivore it feeds on algae, detritus, small zooplankton and insect larvae. The females bear live young. The species is harmless to humans.
Frequently asked questions
How do you recognise the Pygmy swordtail?
The Pygmy swordtail has an elongate, eel-like body, is mainly yellow-gold and shows a plain pattern. Very small; males lack the long tail sword of other swordtails. Ovoviviparous.
Where does the Pygmy swordtail live?
The Pygmy swordtail lives in fresh water and is mostly found around mixed bottom. Eastern Mexico; clear streams and brooks.
How big does the Pygmy swordtail get?
The Pygmy swordtail grows to a maximum of about 4 cm.
Is the Pygmy swordtail dangerous to humans?
No, the Pygmy swordtail is harmless to humans. None required: this species is harmless to humans.
Is the Pygmy swordtail edible?
The Pygmy swordtail is not usually eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Xiphophorus
More from the family Poeciliidae
Want the complete picture on the Pygmy swordtail?
Point your camera at the fish and Fin names the species in seconds. Free, and the Pygmy swordtail is one of 12,519 species in the app.