Fin's Fish Guide
The Sword pearlfish (Micromoema xiphophora) is a freshwater fish of the family Rivulidae that grows up to 6 cm.
Description
The sword pearlfish is an annual killifish (Rivulidae) from temporary rain pools of the Orinoco basin in Venezuela. The species grows to about 5 cm; males are brown with blue and red tints and an extended, sword-like lower tail lobe, females plainer. When the pools dry the adults die, but their eggs survive the drought in the mud and hatch with the next rains. It eats small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Sword pearlfish?
The Sword pearlfish has an elongate, eel-like body and is mainly brown.
Where does the Sword pearlfish live?
The Sword pearlfish lives in fresh water and is mostly found around open water. South America: Venezuela
How big does the Sword pearlfish get?
The Sword pearlfish grows to a maximum of about 6 cm.
Is the Sword pearlfish dangerous to humans?
No, the Sword pearlfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Rivulidae
Want the complete picture on the Sword pearlfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Sword pearlfish is one of 12,519 species in the app.