Fin's Fish Guide
The Spotfin tetra (Serrapinnus calliurus) is a freshwater fish of the family Characidae that grows up to 4 cm.
Description
The spotfin tetra is a small characin (Characidae) from slow-flowing fresh water of the Parana and Paraguay basin in South America. The species grows to about 4 cm and has a slender, silvery body with a dark tail spot; courting males have finely extended fins. As a social schooling fish it swims among water plants and snaps at small zooplankton, insect larvae and algae. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Spotfin tetra?
The Spotfin tetra has an elongate, eel-like body, is mainly silver-grey and shows a spots pattern.
Where does the Spotfin tetra live?
The Spotfin tetra lives in fresh water and is mostly found around open water. South America: Argentina, Brazil, Paraguay, Uruguay
How big does the Spotfin tetra get?
The Spotfin tetra grows to a maximum of about 4 cm.
Is the Spotfin tetra dangerous to humans?
No, the Spotfin tetra 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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Point your camera at the fish and Fin names the species in seconds. Free, and the Spotfin tetra is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Serrapinnus
More from the family Characidae
Want the complete picture on the Spotfin tetra?
Point your camera at the fish and Fin names the species in seconds. Free, and the Spotfin tetra is one of 12,519 species in the app.