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Jenyns's sprat (Ramnogaster arcuata) — Clupeidae

Jenyns's sprat

Ramnogaster arcuata
Family: Clupeidae

The Jenyns's sprat (Ramnogaster arcuata) is a saltwater fish of the family Clupeidae that grows up to 9 cm.

Length
9 cm
Water
Saltwater
Depth
0.0–50.0 m
Diet
Carnivore
Behaviour
Schooling
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Harmless
Range
South America: Argentina, Brazil, Uruguay
Edibility
Commonly eaten

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Description

Jenyns's sprat is a small herring relative (Clupeidae) from coastal and estuarine water of the southwest Atlantic off Argentina and Uruguay. The species grows to about 10 cm and has a slender, laterally compressed, bright-silvery body with a keeled belly and large, easily shed scales. As a social schooling fish it filters zooplankton and small invertebrates from the water. It is food for larger fish and seabirds. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Jenyns's sprat?

The Jenyns's sprat has a torpedo-shaped body and is mainly silver-grey.

Where does the Jenyns's sprat live?

The Jenyns's sprat lives in the sea (marine waters) and is mostly found around open water. South America: Argentina, Brazil, Uruguay

How big does the Jenyns's sprat get?

The Jenyns's sprat grows to a maximum of about 9 cm. On average the species is around 8 cm.

Is the Jenyns's sprat dangerous to humans?

No, the Jenyns's sprat 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 Jenyns's sprat edible?

Yes, the Jenyns's sprat is commonly eaten.

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All data

Identification

English name
Jenyns's sprat sourced
Scientific name
Ramnogaster arcuata
Family
Clupeidae

Appearance

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

Habitat & distribution

Water type
Saltwater sourced
Substrate
Open water sourced
Min depth (m)
0.0 verified
Max depth (m)
50.0 verified
Natural range
South America: Argentina, Brazil, Uruguay sourced
Origin
Native inferred

Behaviour & biology

Diet
Carnivore inferred
Diet (detail)
Small fishes, crustaceans and invertebrates inferred
Social behaviour
Schooling sourced
Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Edibility
Commonly eaten inferred
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

More from the family Clupeidae

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