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Longfin dace (Agosia chrysogaster) — Cyprinidae

Longfin dace

Agosia chrysogaster
Family: Cyprinidae

The Longfin dace (Agosia chrysogaster) is a freshwater fish of the family Cyprinidae that grows up to 10 cm.

Length
10 cm
Water
Freshwater
Diet
Omnivore
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
North America: Mexico, USA

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Description

The longfin dace is a small minnow (Leuciscidae) from fresh water of the southwestern United States, in the Gila and Colorado river drainages. The species grows to about 10 cm and has a stocky, yellow-brown body with a dark longitudinal stripe; males turn yellowish on the belly in the breeding season. As a bottom-dweller it lives in desert streams and rivers and eats algae, detritus and small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Longfin dace?

The Longfin dace has a torpedo-shaped body and is mainly brown.

Where does the Longfin dace live?

The Longfin dace lives in fresh water and is mostly found around sand or mud bottom. North America: Mexico, USA

How big does the Longfin dace get?

The Longfin dace grows to a maximum of about 10 cm.

Is the Longfin dace dangerous to humans?

No, the Longfin dace 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.

More photos

Longfin dace (Agosia chrysogaster) — Cyprinidae — 2
Wikimedia Commons — AVNJ (CC BY 4.0)
Longfin dace (Agosia chrysogaster) — Cyprinidae — 3
Wikimedia Commons — Jake Nitta (CC BY 4.0)
Longfin dace (Agosia chrysogaster) — Cyprinidae — 4
iNaturalist ((c) Cole Wolf, some rights reserved (CC BY))
Longfin dace (Agosia chrysogaster) — Cyprinidae — 5
Wikimedia Commons — Alina Martin (CC BY 4.0)
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All data

Identification

English name
Longfin dace sourced
Scientific name
Agosia chrysogaster
Family
Cyprinidae
Other names
Longfin dace verified

Appearance

Size class
Small verified
Max length (cm)
10.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
North America: Mexico, USA sourced
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Diet (detail)
Invertebrates, algae and detritus inferred
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

More from the family Cyprinidae

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