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Hardhead (Mylopharodon conocephalus) — Cyprinidae

Hardhead

Mylopharodon conocephalus
Family: Cyprinidae
LC · Least Concern

The Hardhead (Mylopharodon conocephalus) is a freshwater fish of the family Cyprinidae that grows up to 100 cm.

Length
100 cm
Water
Freshwater
Depth
0–? m
Diet
Herbivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Rarely eaten

Description

The hardhead is a large cyprinid endemic to California, in the Sacramento-San Joaquin system and the Russian River. The species can grow to as much as 100 cm, although most individuals are around 35 cm. It has an elongate, slender body with a pointed snout and a large terminal mouth; the back is brown to bronze, the flanks silvery. It lives in deep, rock- and sand-bottomed pools of small to large rivers and migrates within the river system. The fish is herbivorous to detritivorous. It is harmless to humans and is assessed as Least Concern (LC) by the IUCN.

Frequently asked questions

How do you recognise the Hardhead?

The Hardhead has a torpedo-shaped body, is mainly brown and shows a plain pattern.

Where does the Hardhead live?

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

How big does the Hardhead get?

The Hardhead grows to a maximum of about 100 cm. On average the species is around 35 cm.

Is the Hardhead dangerous to humans?

No, the Hardhead is harmless to humans.

Is the Hardhead edible?

The Hardhead is rarely eaten.

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All data

Identification

Dutch name
Hardkop verified
English name
Hardhead verified
Scientific name
Mylopharodon conocephalus
Family
Cyprinidae
Other names
Hardhead verified

Appearance

Size class
Extra large verified
Max length (cm)
100.0 verified
Average length (cm)
35.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown inferred
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
0 sourced
Origin
Native verified

Behaviour & biology

Diet
Herbivore sourced
Social behaviour
Small groups inferred
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

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

More from the family Cyprinidae

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