Fin's Fish Guide
The Wolterstorff's pearlfish (Austrolebias wolterstorffi) is a freshwater fish of the family Rivulidae that grows up to 10 cm.
Description
Wolterstorff's pearlfish is a relatively large, annual killifish (Rivulidae) from temporary pools of the coastal plain of Uruguay and southern Brazil in South America. The species grows to about 10 cm; males are dark blue with pale spots, females brownish. It lives in rain pools that dry out in the dry season: the adults die, but the eggs survive dry in the mud and hatch with the next rains. As a small predator it hunts small invertebrates and small fish. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Wolterstorff's pearlfish?
The Wolterstorff's pearlfish has a torpedo-shaped body, is mainly blue and shows a spots pattern.
Where does the Wolterstorff's pearlfish live?
The Wolterstorff's pearlfish lives in fresh water and is mostly found around mixed bottom.
How big does the Wolterstorff's pearlfish get?
The Wolterstorff's pearlfish grows to a maximum of about 10 cm.
Is the Wolterstorff's pearlfish dangerous to humans?
No, the Wolterstorff's 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
Same genus Austrolebias
More from the family Rivulidae
Want the complete picture on the Wolterstorff's pearlfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Wolterstorff's pearlfish is one of 12,519 species in the app.