Fin's Fish Guide
The Yellowtail pearlfish (Hypsolebias flavicaudatus) is a freshwater fish of the family Rivulidae that grows up to 8 cm.
Description
The Yellowtail pearlfish is an annual killifish (Rivulidae) from temporary pools and swamps of inland Brazil. The species grows to about 6 cm; the male is brightly coloured with blue, red and yellow spots and marbled fins. When the pools dry up in the dry season the adults die, but their eggs survive in the soil and hatch after the next rains. It eats small invertebrates and insect larvae. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Yellowtail pearlfish?
The Yellowtail pearlfish has a flattened, disc-shaped body, is mainly multicoloured and shows a spots pattern.
Where does the Yellowtail pearlfish live?
The Yellowtail pearlfish lives in fresh water and is mostly found around open water. South America: Brazil
How big does the Yellowtail pearlfish get?
The Yellowtail pearlfish grows to a maximum of about 8 cm.
Is the Yellowtail pearlfish dangerous to humans?
No, the Yellowtail 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.
Is the Yellowtail pearlfish edible?
Yes, the Yellowtail pearlfish is commonly eaten.
Want the complete picture on the Yellowtail pearlfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Yellowtail pearlfish is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Hypsolebias
More from the family Rivulidae
Want the complete picture on the Yellowtail pearlfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Yellowtail pearlfish is one of 12,519 species in the app.