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Minnow-nase (Chondrostoma phoxinus) — Cyprinidae

Minnow-nase

Chondrostoma phoxinus
Family: Cyprinidae
EN · Endangered

The Minnow-nase (Chondrostoma phoxinus) is a freshwater fish of the family Cyprinidae that grows up to 16 cm.

Length
15.5 cm
Water
Freshwater
Diet
Herbivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Endemic to the Neretva river basin of the Dinaric karst in Croatia and Bosnia and Herzegovina, in clear, fast-flowing karst water with a gravel and stone bottom.
Edibility
Not eaten

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Description

The minnow-nase is a small, slender cyprinid of the family Cyprinidae (Leuciscidae) reaching about 15 cm, much smaller than other nases, which makes it resemble a minnow. The silvery-grey body bears a dark lengthwise stripe; the inferior mouth has a straight, horny cutting edge with which the fish scrapes algae off stones. The species is endemic to the Neretva drainage of the Dinaric karst in Croatia and Bosnia and Herzegovina, in clear, fast-flowing karst water with gravel and stone bottoms. In schools it grazes the algal growth (aufwuchs) off the stones. In spring it migrates upstream to spawn on gravel. Through its very limited range, water pollution and dams it has declined sharply and is assessed as Endangered (EN).

Frequently asked questions

How do you recognise the Minnow-nase?

The Minnow-nase has an elongate, eel-like body, is mainly silver-grey and shows a horizontal stripes pattern. Small, slender nase resembling a minnow, with an inferior mouth with a horny cutting edge and a dark longitudinal stripe; a Dinaric endemic.

Where does the Minnow-nase live?

The Minnow-nase lives in fresh water and is mostly found around sand or mud bottom. Endemic to the Neretva river basin of the Dinaric karst in Croatia and Bosnia and Herzegovina, in clear, fast-flowing karst water with a gravel and stone bottom.

How big does the Minnow-nase get?

The Minnow-nase grows to a maximum of about 16 cm.

Is the Minnow-nase dangerous to humans?

No, the Minnow-nase is harmless to humans. None required: this species is harmless to humans.

Is the Minnow-nase edible?

The Minnow-nase is not usually eaten.

More photos

Minnow-nase (Chondrostoma phoxinus) — Cyprinidae — 2
Wikimedia Commons — Harry Govier Seeley (Public domain) [illustratie/foto]
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All data

Identification

English name
Minnow-nase verified
Scientific name
Chondrostoma phoxinus
Family
Cyprinidae

Appearance

Size class
Medium verified
Max length (cm)
15.5 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Pattern
Horizontal stripes sourced
Tail shape
Forked inferred
Mouth position
Inferior (downward) inferred
Lips
Thick / fleshy inferred
Barbels
No verified
Dorsal fins
One continuous sourced
Dorsal spines
No verified

Habitat & distribution

Water type
Freshwater verified
Substrate
Sand / mud bottom verified
Natural range
Endemic to the Neretva river basin of the Dinaric karst in Croatia and Bosnia and Herzegovina, in clear, fast-flowing karst water with a gravel and stone bottom. verified
Origin
Native verified

Behaviour & biology

Diet
Herbivore verified
Diet (detail)
Algae and biofilm (aufwuchs) that are scraped from stones sourced
Social behaviour
Schooling verified
Territorial
No verified
Activity
Diurnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Migrates upstream in shoals in spring to spawn on gravel. sourced
Special features
Small, slender nase resembling a minnow, with an inferior mouth with a horny cutting edge and a dark longitudinal stripe; a Dinaric endemic. sourced

For anglers

Edibility
Not eaten verified
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
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Chondrostoma

More from the family Cyprinidae

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