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Sadina tetra (Parastremma sadina) — Characidae

Sadina tetra

Parastremma sadina
Family: Characidae

The Sadina tetra (Parastremma sadina) is a freshwater fish of the family Characidae that grows up to 18 cm.

Length
18 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless
Range
South America: Colombia

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Description

The sadina tetra is a small characin (Characidae) from fresh water of northwestern South America. The species grows to about 18 cm and has an elongate, silvery body with a shiny lateral stripe. As an open-water fish it swims in schools in clear rivers and streams and eats small insects, larvae and plant material. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Sadina tetra?

The Sadina tetra has an elongate, eel-like body and is mainly silver-grey.

Where does the Sadina tetra live?

The Sadina tetra lives in fresh water and is mostly found around mixed bottom. South America: Colombia

How big does the Sadina tetra get?

The Sadina tetra grows to a maximum of about 18 cm.

Is the Sadina tetra dangerous to humans?

No, the Sadina 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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All data

Identification

English name
Sadina tetra sourced
Scientific name
Parastremma sadina
Family
Characidae

Appearance

Size class
Medium verified
Max length (cm)
18.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
South America: Colombia sourced
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Diet (detail)
Invertebrates, algae and detritus inferred
Social behaviour
Schooling sourced
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
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. verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

More from the family Characidae

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