The common barbel ( Barbus barbus) is a species of freshwater fish belonging to the family Cyprinidae. It shares the common name 'barbel' with its many relatives in the genus Barbus, of which it is the type species. In Great Britain it is usually referred to simply as the barbel; similar names are used elsewhere in Europe, such as barbeau in France and flodbarb in Sweden. The name derives from the four whiskerlike structures located at the corners of the fish's mouth, which it uses to locate food.
Barbel are very abundant in some rivers, often seen in large shoals on rivers such as the River Wye. Izaak Walton reported that there were once so many barbel in the Danube that they could be caught by hand, 'eight or ten load at a time' .
Barbel are active fish and often travel long distances in quite short time periods. Individuals can move between 16 and 68 km in a year, with mean (average) daily movement between 26 and . Adults commonly feed at night, although they may feed during the daytime in the safety of deeper water or near bankside cover and underwater obstructions. Their underslung mouths make them especially well adapted for feeding on Benthic zone organisms, including , insect and , which they root out from the gravel and stones of the riverbed. Barbel diets change as the fish develop from Juvenile fish to juveniles and then to adults. Diatoms that cover rocks and the larvae of non-biting midges (Chironomidae) are particularly important foods for young fish.
The Barbel is a swete fysshe, but it is a quasy meete and perilous for mannys body A Treatyse of Fysshynge with an Angle (1496) Dame Juliana BernersMany authors have noted the highly toxic nature of barbel roe when eaten by humans, including Dame Juliana Berners and Charles David Badham. Badham relates the experience of Italian physician Antonio Gazius, who, he says, "took two boluses, and thus describes his sensations: 'At first I felt no inconvenience, but some hours having elapsed, I began to be disagreeably affected, and as my stomach swelled, and could not be brought down again by anise or carminatives, I was soon in a state of great depression and distress.' His countenance was pallid, like a man in a swoon, deadly coldness ensued, violent cholera and vomiting came after until the roe was passed, and then he became all right." The use of barbel roe as a poison is mentioned in Nostradamus Les Prophéties, century VII, 24 :
Despite the risks associated with eating barbel roe, several notable cookery authors have included recipes for barbel in their books. Mrs Beeton, for example, writes that they are in season in the winter months, and suggests simmering them with port and herbs. Also, in The Illustrated London Cookery Book by Frederick Bishop.
Barbel fishing is especially popular in the UK, where it reaches a weight of over . A fish of more than is considered to be of specimen size. Famous UK barbel rivers include the Hampshire Avon, Dorset Stour, River Trent, River Kennet, River Wye, River Severn at Bewdley, River Loddon near Reading and Great Ouse. Several angling societies exist in the UK which specifically promote the pursuit and conservation of the species, including the Barbel Society and the Barbel Catchers Club. Barbel conservation is important, for although populations appear robust in some larger river systems, localised populations can be vulnerable to environmental factors. For example, the relatively small River Wensum in the county of Norfolk was of national importance to barbel anglers from the 1970s until the early 2000s, at one time producing the British record fish. But in recent years the reintroduction of otters in the river catchment (together with siltation of spawning gravels) has had a devastating effect on the barbel population as they are easy to catch in the shallow, clear river. Now only a fragmented population remains, and barbel may be on their way to local extinction.
Barbel are often stocked into still waters, but are predominantly a river-dwelling fish and are sought by many anglers. They may not be the most elusive fish in the river; in the right conditions they are fairly easy to catch. They are hardy fish who will fight right until the landing net is slipped under them. Despite this hardy nature in the water they do not cope well out of the water, and must be returned safely and quickly. It is good practice to support the fish in the water until it is fully recovered and swims away on its own.
The current British barbel record of was landed by James Crosby from the River Lea at the Kings Weir fishery in November 2024.
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