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Leopard dace (Rhinichthys falcatus) — Cyprinidae

Leopard dace

Rhinichthys falcatus
Family: Cyprinidae

The Leopard dace (Rhinichthys falcatus) is a freshwater fish of the family Cyprinidae that grows up to 12 cm.

Length
12 cm
Water
Freshwater
Diet
Omnivore
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
North America: Canada, USA

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Description

The leopard dace is a small minnow (Leuciscidae) from clear, flowing rivers and streams of northwestern North America. The species grows to about 10 cm and has a slender, streamlined body with a pointed snout, a small barbel in the corner of the mouth and numerous dark spots on an olive-brown back. As a bottom-dweller it stays by gravel and stones in flowing water and snaps at insect larvae and small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Leopard dace?

The Leopard dace has an elongate, eel-like body, is mainly brown and shows a spots pattern.

Where does the Leopard dace live?

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

How big does the Leopard dace get?

The Leopard dace grows to a maximum of about 12 cm. On average the species is around 6 cm.

Is the Leopard dace dangerous to humans?

No, the Leopard 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

Leopard dace (Rhinichthys falcatus) — Cyprinidae — 2
iNaturalist ((c) Bradley Rasmussen, some rights reserved (CC BY-NC))
Leopard dace (Rhinichthys falcatus) — Cyprinidae — 3
iNaturalist ((c) Bradley Rasmussen, some rights reserved (CC BY-NC))
Leopard dace (Rhinichthys falcatus) — Cyprinidae — 4
iNaturalist ((c) Tyson Ehlers, some rights reserved (CC BY-NC))
Leopard dace (Rhinichthys falcatus) — Cyprinidae — 5
iNaturalist ((c) Christian Louie, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Leopard dace sourced
Scientific name
Rhinichthys falcatus
Family
Cyprinidae
Other names
Leopard dace; Silvery grey minnow verified

Appearance

Size class
Small verified
Max length (cm)
12.0 verified
Average length (cm)
6.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Forked inferred
Barbels
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
North America: Canada, 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

Same genus Rhinichthys

More from the family Cyprinidae

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