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FISH GUIDE · Freshwater

Chub: identification, habitat and fishing guide

Squalius cephalus

An omnivore adapted to many habitats.

Catalogue names : Chevaine, Chevesne commun. 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

Its native range includes many European and western Asian drainages. In France, FishBase cites Atlantic drainages south to the Adour and Mediterranean rivers from the Var to the Hérault. Other chubs and introduced populations must be distinguished from this range.

  • Native range : French Atlantic drainages south to the Adour
  • Native range : Rivers from the Var to the Hérault
  • Native range : Central and eastern Europe

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

Squalius cephalus has a large head, a wide mouth and dark-edged scales. The edge of its anal fin is convex, a feature to compare with similar species such as dace or ide. Some regional identifications require specialist advice; the local name “chevaine” is not enough.

Habitat

It lives in rivers and can also inhabit lakes; its position changes with the season. Suggested way to read the water: locate an overhanging tree, a current boundary and an open margin. First choose an area you can reach without walking over the cover.

Diet

Omnivorous: insects, molluscs and plants, with larger individuals also eating small fish.

Behaviour

Chub eat insects and plant material, among other foods, and larger fish also eat small fish. This variety explains the interest of several presentations; it does not mean that they accept every bait. Observe actual feeding before concluding that a visible fish is active.

Indicative biological size

Generally 10–30 cm according to DORIS; this descriptive range is not a legal size limit.

Fishing context and precautions

  1. Choose a margin and current boundary you can follow from a safe bank. Plumb the depth, then prepare a float, adjustable shotting, a hooklength and a single hook.
  2. Put on a permitted bait and start with a drift near the bottom. Cast without landing directly on visible fish.
  3. Follow the line, controlling it without pulling the bait across the current. Compare a few passes along the same path.
  4. If there is no response, change the depth or angle before adding more groundbait. This suggested drift is indicative; small lures are a different approach.

A distinctive feature

Young fish often form shoals; adults become more solitary.

Sources and review

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

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