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Caucasian bleak (Alburnus escherichii) — Cyprinidae

Caucasian bleak

Alburnus escherichii
Family: Cyprinidae
LC · Least Concern

The Caucasian bleak (Alburnus escherichii) is a brackish-water fish of the family Cyprinidae that grows up to 18 cm.

Length
18.2 cm
Water
Brackish
Depth
0–? m
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Edibility
Rarely eaten

Description

The Caucasian bleak is a slender cyprinid endemic to inland waters of Anatolia in Turkey, including the Sakarya and Kizilirmak drainages. It grows to about 18 cm and has the typical slim, silvery body of a bleak, with a slightly upturned mouth and a forked tail. The fish lives in schools in fresh and slightly brackish water and feeds omnivorously on small animal and plant matter. It is harmless to humans and of minor fisheries value. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Caucasian bleak?

The Caucasian bleak has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern.

Where does the Caucasian bleak live?

The Caucasian bleak lives in brackish water and is mostly found around mixed bottom.

How big does the Caucasian bleak get?

The Caucasian bleak grows to a maximum of about 18 cm.

Is the Caucasian bleak dangerous to humans?

No, the Caucasian bleak is harmless to humans.

Is the Caucasian bleak edible?

The Caucasian bleak is rarely eaten.

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All data

Identification

Dutch name
Anatolische alver verified
English name
Caucasian bleak verified
Scientific name
Alburnus escherichii
Family
Cyprinidae

Appearance

Size class
Medium verified
Max length (cm)
18.2 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Pattern
Plain inferred
Tail shape
Forked sourced
Mouth position
Superior (upward) sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Mixed bottom sourced
Min depth (m)
0 sourced
Origin
Native verified

Behaviour & biology

Diet
Omnivore sourced
Social behaviour
Schooling sourced
Territorial
No sourced
Activity
Diurnal inferred
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

Same genus Alburnus

More from the family Cyprinidae

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