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FISH GUIDE · Freshwater

Bleak: identification, habitat and fishing guide

Alburnus alburnus

For bleak, depth adjustment and a delicate presentation are more useful than a long bait list. Observe where the shoal is holding, then keep a short line that is easy to control. This suggested approach lets you test the active water layer while respecting the fish and the venue.

Catalogue names : Bleak. Forms and names may vary between habitats.

Editorial review : · This species guide is not permission to fish. Read the precautions below and check the current rules for your location before targeting a species. Some species or populations are protected.

Geographical distribution

Native across much of Europe north of the Pyrenees, Alps and Caucasus, east to the Ural and Emba drainages. Local introductions in Spain, Portugal and Italy are documented separately from that native range.

  • Native range : Europe north of the Pyrenees and Alps
  • Native range : Ural and Emba
  • Introduction : Spain, Portugal and Italy

Documented areas, not an exhaustive list. Presence in a region does not imply presence in every water body or permission to fish.

Distribution sources

Identification

Alburnus alburnus has a slender body, pale fins and an upturned mouth. Its dorsal fin sits behind the pelvic fins. Compare it with the stockier roach and other small cyprinids; silver colouring alone does not allow certain identification.

Habitat

Bleak live notably in slow sections of rivers and often use water near the surface. Suggested approach: observe a margin where small fish are moving, then choose access that allows a short cast. A shoal may move during the session.

Diet

Omnivorous: small molluscs, insect larvae, worms, small crustaceans and plant debris.

Behaviour

The species forms large groups and is prey for several predatory fish. A sudden movement of the shoal can therefore have several causes. Observe before casting again: splashes prove neither continuous feeding by bleak nor the presence of a particular predator.

Indicative biological size

An average of 10–15 cm according to DORIS; a descriptive indication that varies between individuals.

Fishing context and precautions

  1. Observe where the shoal is holding. Prepare a short float rig with a single hook and a small permitted bait.
  2. Set the depth to the layer observed. Distribute the shot so the bait sinks without dropping too quickly.
  3. Present near the shoal and watch for bites as soon as the bait starts sinking. Strike with a measured movement, without flinging the fish out of the water.
  4. Check the bait, then compare a neighbouring layer if bites stop. This suggested method avoids chasing the shoal with excessive groundbait.

A distinctive feature

Its small scales come off easily; brief handling with wet hands limits rubbing.

Sources and review

Each reference includes its access date. Overall editorial review: . Local conditions and regulations may change.

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