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FISH GUIDE · Freshwater

Iberian long-snout barbel: identification, habitat and fishing guide

Luciobarbus comizo

Iberian barbel; large adults mainly eat fish.

Catalogue names : Iberian long-snout barbel. 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

Tagus and Guadiana in Spain and Portugal; loss reported in the Guadalquivir.

  • Documented presence : Tagus and Guadiana drainages
  • Historical presence : Guadalquivir drainage, local loss reported

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

Elongated head; concave dorsal fin and strongly serrated unbranched ray. Hybridisation requires checking several characters.

Habitat

Deep, slow water with submerged vegetation.

Diet

Invertebrates, plants and fish; large adults mainly piscivorous.

Behaviour

Young fish school in shallow water; adults tend to be solitary outside spawning and frequent deeper water.

Indicative biological size

Around 450 mm, or 45 cm total length, for Guadiana adults according to R. Morán López’s published personal observations. A local reference, not a universal mean.

Fishing context and precautions

In the Toledo stretch of the Tagus, the 2026 order prohibits fishing for comizo: do not target it. Boucher (2020) reports comizo and hybrids taking terrestrial flies in lakes elsewhere; a historical account without a complete protocol or permission for this area.

A distinctive feature

Young under 150 mm can have black spots.

Sources and review

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

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