Fin's Fish Guide
The Hemigrammus orthus is a freshwater fish of the family Characidae that grows up to 3 cm.
Description
Hemigrammus orthus is a minute characin from fresh water of northern South America, including the Amazon region. The species reaches only about 3 cm and has a slender, silvery, partly translucent body with fine markings. It schools in clear, slow streams and pools among water plants and feeds on small zooplankton, insect larvae and algae. The fish is harmless to humans and appears in the aquarium hobby. The IUCN has not evaluated the species.
Frequently asked questions
How do you recognise the Hemigrammus orthus?
The Hemigrammus orthus has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Minute, partly translucent body; small schooling stream dwarf tetra
Where does the Hemigrammus orthus live?
The Hemigrammus orthus lives in fresh water and is mostly found around mixed bottom. Northern South America
How big does the Hemigrammus orthus get?
The Hemigrammus orthus grows to a maximum of about 3 cm.
Is the Hemigrammus orthus dangerous to humans?
No, the Hemigrammus orthus 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 Hemigrammus orthus edible?
The Hemigrammus orthus is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Hemigrammus
More from the family Characidae
Want the complete picture on the Hemigrammus orthus?
Point your camera at the fish and Fin names the species in seconds. Free, and the Hemigrammus orthus is one of 12,519 species in the app.