Barbus

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Barbus
240px
56 cm-long common barbel Barbus barbus from the IJssel River (Netherlands)
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Superclass:
Osteichthyes
Class:
Actinopterygii
Subclass:
Neopterygii
Infraclass:
Teleostei
Superorder:
Ostariophysi
Order:
Cypriniformes
Superfamily:
Cyprinioidea
Family:
Cyprinidae
Subfamily:
Barbinae
Genus:
Barbus

Cuvier & Cloquet, 1816
Type species
Cyprinus barbus
Diversity
About 350 living species
1 probably recently extinct
Synonyms

Pseudobarbus Bielz, 1853 (non Smith, 1841: preoccupied)

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Barbus is a ray-finned fish genus in the family Cyprinidae. The type species of Barbus is the common barbel, first described as Cyprinus barbus and now named Barbus barbus. Barbus is the namesake genus of the subfamily Barbinae, but given their relationships, that taxon is better included in the Cyprininae at least for the largest part (including the type species of Barbus).

Description and uses

Their common names – barbs and barbels – refer to the fact that most members of the genera have a pair of barbels on their mouths, which they can use to search for food at the bottom of the water.

File:Barbus fasciolatus.jpg
African Banded Barbs (Barbus fasciolatus) in an aquarium

Barbels are often fished for food; in some locations they are of commercial significance. The roe of barbels is poisonous, however. The large Barbus barbs are also often eaten in their native range.

At Shanhûr in Egypt, remains of a jar from the sixth to seventh century AD were unearthed which contained a bunch of fish bones. The fishes were apparently pickled to produce a dish similar to the modern fesikh (or faseekh). Among the ancient remains, barbs (perhaps Barbus perince) were plentiful, and Egyptians in our time still consider B. perince good for preparing fesikh, as it is traditionally done for the Sham el-Nessim (spring festival) celebrations.[1]

The smaller barbs are in some cases traded as aquarium fish. Some are quite significant, but as a whole, the genus is not yet as well represented in aquaria as the Southeast Asian Puntius.[2]

One species, Barbus microbarbis from Rwanda, is known to have gone extinct in recent times. Several others are only known from the type specimens, and their status and continuing existence must be confirmed. As many of these are from Lake Victoria, which underwent massive ecological upheaval after Nile perch (Lates nilosus) were introduced, it may well be that some of them have not survived, either.

Systematics and taxonomy

Barbus has a long history as a "Wastebasket taxon". Historically, most fish commonly known as "barbs" were usually placed here by default. More recently, many "barbs" have been reclassified into genera such as Barbichthys, Barbodes, Barboides, Barbonymus (tinfoils), Barbopsis, Caecobarbus, Capoeta, Carasobarbus, Clypeobarbus, Hypselobarbus, Hypsibarbus, Labeobarbus (yellowfishes), Leptobarbus, Luciobarbus, Mesopotamichthys, Messinobarbus, Poropuntius, Probarbus, Pseudobarbus (redfins), Puntioplites and Puntius (spotted barbs, commonly kept in aquaria).[3]

Thus, Barbus is for the time being restricted to the typical barbels and barbs, and only contains fishes from Africa and Europe, as well as adjacent Asia. However, the genus even in the reduced version is probably paraphyletic, and many African species (particularly the small ones) do not seem to belong here either. Eventually, Barbus is likely to be restricted to the group around B. barbus – the large European to Ponto-Caspian species commonly known as "barbels". Luciobarbus and particularly Messinobarbus are highly similar and might better be included in Barbus again. They all seem to be close relatives – perhaps the closest living relatives – of the Dalmatian barbelgudgeon (Aulopyge huegelii). Carasobarbus and Labeobarbus are probably closely related to this group, too, and some large hexaploid barbs (e.g. B. reinii) now placed in the present genus may well belong in Labeobarbus.

The small barbs from Africa, by contrast, are quite distinct. They might even warrant establishment of a new subfamily – in particular if the Labeoninae are not included in the Cyprinae –, as they seem to be as distinct from barbels and typical carps, as these are from the garras (which are part of the disputed Labeoninae), rendering the old "Barbinae" paraphyletic. Within the small African barbs, several linages can be recognized. These are mostly diploid; a tetraploid group largely restricted to southern Africa is very close to Pseudobarbus and might even be included therein. In particular, the group called "redfins" may well be monophyletic and belong in Pseudobarbus entirely, instead of being split between Pseudobarbus and Barbus, as is now done.

Species

There are 311 recognized species in this genus:[4][5]

Fossil species

There is a fossil species (Barbus megacephalus Günther, 1876) known from the Paleogene Sipang Fauna of Indonesia.[8]

See also

Footnotes

  1. ↑ van Neer & Depraetere (2005)
  2. ↑ Lambert (1997): p.14
  3. ↑ Banister (1973)
  4. ↑ Froese, Rainer, and Daniel Pauly, eds. (2012). Species of Barbus in FishBase. October 2012 version.
  5. ↑ 5.0 5.1 Banyankimbona, G., Vreven, E. & Snoeks, J. (2012): ‘Barbus’ devosi, new species from the Malagarazi River basin in Burundi and Tanzania, East Africa (Cypriniformes: Cyprinidae). Ichthyological Exploration of Freshwaters, 23 (2): 181-192.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Bamba, M., Vreven, E.J. & Snoeks, J. (2011): Description of Barbus teugelsi sp. nov. (Cypriniformes: Cyprinidae) from the Little Scarcies basin in Guinea, Africa. Zootaxa, 2998: 48–65.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.

References

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