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FISH GUIDE · Freshwater

Huchen: identification, habitat and fishing guide

Hucho hucho

A large salmonid of the Danube basin. This account presents a fly-fishing example under a special C&R permit in Slovenia, on Sava Bohinjka 3; ZZRS rules and the stated closure remain decisive.

Catalogue names : Huchen. 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 to the Danube; introduced to other European basins. French Usses records are historical, with no current persistence established here.

  • Native range : Danube basin
  • Historical presence : Usses basin

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

Cylindrical body, long flattened head, dark spotting.

Habitat

Fast-flowing, oxygen-rich rivers.

Diet

Young mainly eat invertebrates; adults mainly fish.

Behaviour

Makes short upstream spawning movements.

Indicative biological size

Common length: 70 cm total length.

Fishing context and precautions

Slovak guide Kurt Konrád describes fly fishing with 15–30 cm streamers and intermediate or fast-sinking lines. An indicative Central European account, subject to venue rules and protections; neither general permission nor a catch guarantee.

On Sava Bohinjka 3, this example is limited to the ZZRS special C&R permit: fish in pairs, with an artificial lure at least 10 cm long and barbless single hooks. The permit states closure from 15 February to 14 November 2026; this account authorises no trip.

A distinctive feature

Both parents cover the eggs with gravel.

Sources and review

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

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