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Southern minnow (Metzia mesembrinum) — Cyprinidae

Southern minnow

Metzia mesembrinum
Family: Cyprinidae
NativeIntroduced

The Southern minnow (Metzia mesembrinum) is a freshwater fish of the family Cyprinidae that grows up to 5 cm.

Length
4.8 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Harmless
Range
Asia: Taiwan/Ch Taipei

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Description

The Southern minnow is a small cyprinid (Danionidae) from clear streams, rivers and lakes of southern China. The species grows to about 8 cm and has a slender, laterally compressed, silvery body sometimes with a fine dark longitudinal stripe. As a lively, social schooling fish it swims in the upper and middle layer and snaps at insects, larvae, small zooplankton and algae. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Southern minnow?

The Southern minnow has a torpedo-shaped body and is mainly silver-grey.

Where does the Southern minnow live?

The Southern minnow lives in fresh water and is mostly found around open water. Asia: Taiwan/Ch Taipei

How big does the Southern minnow get?

The Southern minnow grows to a maximum of about 5 cm.

Is the Southern minnow dangerous to humans?

No, the Southern minnow 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
Southern minnow sourced
Scientific name
Metzia mesembrinum
Family
Cyprinidae

Appearance

Size class
Small verified
Max length (cm)
4.8 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Natural range
Asia: Taiwan/Ch Taipei 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
Small in size and barely an angling target; mostly caught incidentally or as baitfish. 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

Same genus Metzia

More from the family Cyprinidae

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