Home · Cyprinidae · Intermediate gudgeon
Intermediate gudgeon (Squalidus intermedius) — Cyprinidae

Intermediate gudgeon

Squalidus intermedius
Family: Cyprinidae

The Intermediate gudgeon (Squalidus intermedius) is a freshwater fish of the family Cyprinidae that grows up to 8 cm.

Length
8 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless

Description

The intermediate gudgeon is a small cyprinid (Cyprinidae) from slow-flowing and still fresh water of East Asia. The species grows to about 10 cm and has a slender, silvery body with a row of dark spots on the flank and a pair of short barbels. As a bottom-oriented schooling fish it searches over sand and mud of rivers and lakes for insect larvae, worms and small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Intermediate gudgeon?

The Intermediate gudgeon has an elongate, eel-like body, is mainly silver-grey and shows a spots pattern.

Where does the Intermediate gudgeon live?

The Intermediate gudgeon lives in fresh water and is mostly found around sand or mud bottom.

How big does the Intermediate gudgeon get?

The Intermediate gudgeon grows to a maximum of about 8 cm. On average the species is around 7 cm.

Is the Intermediate gudgeon dangerous to humans?

No, the Intermediate gudgeon is harmless to humans.

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →

All data

Identification

Dutch name
Tussen-grondelkarper sourced
English name
Intermediate gudgeon sourced
Scientific name
Squalidus intermedius
Family
Cyprinidae

Appearance

Size class
Small verified
Max length (cm)
8.0 verified
Average length (cm)
6.9 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Pattern
Spots sourced
Tail shape
Forked inferred
Barbels
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Social behaviour
Schooling sourced
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Fishing method
Klein van stuk en nauwelijks een hengelsportdoel; wordt vooral incidenteel of als aasvis gevangen. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

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

Same genus Squalidus

More from the family Cyprinidae

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →