In April 2012, accidental flooding from licensed lakes containing wels catfish into flood valleys of the River Colne and Chelmer in East Anglia were being investigated. A potential beneficial ecological effect is that S. glanis can predate on signal crayfish (Pacifastacus leniusculus), which is an invasive species in Europe that is adversely effecting native crayfish populations (Carol et al., 2009; Copp et al., 2009). Investigating the catch returns and growth rate of Wels catfish (Siluris glanis), using mark-recapture. Pesticides should always be used in a lawful manner, consistent with the product's label. Rearing of European catfish (Silurus glanis L.) to marketable size in warm water at the laboratory scale. Pond culture of fish in Romania. Auteur : B. VALADOU (1) Comité de pilotage : T. CHANGEUX (2), J.-P. PROTEAU (3), J. BELLIARD (1,*) & O. LEDOUBLE (4) Sperm cryopreservation of two European predator fish species, the Pikeperch (Sander lucioperca) and the Wels Catfish (Silurus glanis). They are a demersal species, find refuge in crevices and woody root habitats, and prefer slow flowing rivers and weedy covered, vegetated lakes. Bogut, I., Opacak, A., Stevic, I., Bogdanic, C., 1995. Despite the great genetic differentiation of S. glanis populations, no consistent pattern of geographical structuring was revealed, in contrast to previous studies of European freshwater fish species. Fish and Fisheries. Filet de Silure. The species was later introduced to Spain in the twentieth century and reintroduced to Belgium, Netherlands and France. CABI is a registered EU trademark. The database includes records of species introduced or transferred from one country to another. Publicité ... vivant d'ordinaire dans les zones les plus profondes de son habitat. Les observations des contenus stomacaux réalisés par les … pond cultivation. Oxford, UK: Fishing News Books, 46-57, Slavík O, Horký P, Bartoš L, Kolárová J, Randák T, 2007. Fast growth is advantageous for non-natives in minimising predation by quickly exceeding gape size of native predators, and in increasing foraging opportunities (Hendry et al. Wels catfish are also hosts of specialist parasites such as Trichodina siluri, Myxobolus miyarii, Leptorhynchoides plagicephalus and Pseudotracheliastes stellifer which may be detrimental to native fish survival (Copp et al. Risk identification and assessment of non-native freshwater fishes: concepts and perspectives on protocols for the UK. Ecology of Freshwater Fish, 16:450-456, Cirkovic, M., Ljubojevic, D., Ðordevic, V., Novakov, N., Petronijevic, R., Matekalo-Sverak, V., Trbovic, D., 2012. Introduction of S. glanis for aquaculture and enhancement of sport angling is common. Handbook of European Freshwater Fishes. Information regarding the wels catfish nuclear and mitochondrial genomes is sparse. De ce fait, son habitat le plus au Nord est la Pologne. Although the genetic structure and phylogeography have been studied in its native range, there is little information known about the genetic characteristics of S. glanis in its introduced range (Copp et al., 2009). Detailed coverage of invasive species threatening livelihoods and the environment worldwide. Lucrari Stiintifice - Universitatea de Stiinte Agricole si Medicina Veterinara, Seria Zootehnie, 53, 284-288. However, Martino et al. Originaire du Danube en Europe Centrale, il a été élevé et introduit pour la pêche dans divers fleuves et étangs. Average temp. ©Dieter Florian/via wikipedia - CC BY-SA 3.0 DE. 1996; Ulikowski et al. 2008). ], Copp GH, Moffatt L, Wesley KJ, 2007. Fish movements: the introduction pathway for topmouth gudgeon Pseudorasbora parva and other non-native fishes in the UK. The routes used to introduce non-native fish species are closely related to the nature and extent of different anthropogenic activities such as aquaculture, research, pest control and also recreational fishing. Le silure glane (Silurus glanis, L.) en France. Habitat principal. Investigation on growth rate and food conversion ratio of wels (Silurus glanis L.) in controlled conditions. Copp et al. 2003Gullu et al. Habitat et comportement. Triantafyllidis et al. Fischokologie, 6:7-20, Kottelat M, Freyhof J, 2007. The species is an effective ambush predator of slower moving Cyprinid species (Copp et al., 2009). Bulgarian Journal of Agricultural Science, 4(6), 841-846. Le silure glane, quant à lui, s'étend vers l'ouest. Males have running milt 30-40 days before spawning and produce sperm for relatively long periods, with a gradual, extended duration of spermatozoa discharge (Shikhshabekov, 1978). Fish are filleted and the flesh is cut into steaks or smoked for human consumption. Dès les années 1980 on s'intéresse au régime alimentaire du silure et à sa place dans le réseau trophique . Perfectionniste psychologie. Reproduction biology in a native European catfish S. glanis, 1758, population in Menzelet Reservoir. Aquaculture in the Third Millennium. by Cowx, I. G.]. (2002) investigated the genetic structure of S. glanis across most of its natural distribution using 10 microsatellite loci. On the sheat fish of the Netherlands, Silurus glanis Linnaeus. Ethologie du silure Un silure glane. Copp G H, Britton J R, Cucherousset J, García-Berthou E, Kirk R, Peeler E, Stakėnas S, 2009. http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0025732 doi: 10.1371/journal.pone.0025732, Britton JR, Cucherousset J, Davies GD, Godard MJ, Copp GH, 2010. Biological Conservation, 72:311-319, Cucherousset, J., Boulêtreau, S., Azémar, F., Compin, A., Guillaume, M., Santoul, F., 2012. Several studies have indicated that the temperature threshold for optimum growth may vary between 22 and 26ºC (Mazurkiewicz et al., 2008), or 23-30ºC (Ulikowski et al., 2003) whereas Copp et al. Status Review Report of 5 Species of Foreign Sturgeon. 2001) with some limited but renewed awareness among fish farmers in France and Germany (Linhart et al. Invasiveness of non-native fish species may be related to frequent repetitive introductions through anthropogenic pathways. L'alimentation est quasi … The revealed that levels of genetic diversity were much higher than previous allozyme and restriction fragment length polymorphism mitochondrial DNA analyses had shown. Effect of stocking density and three various diets on growth and survival of European catfish (Silurus glanis L.) larvae under intensive rearing condition. Water and Environment Journal, 20(4):233-239. http://www.blackwell-synergy.com/loi/wej. For positive economic effects, see the sections on Uses (Invasive Species Compendium) or Production, Economic and Socioeconomic Aspects (Aquaculture Compendium). Consequently, most fish production is exported to other countries; for example the majority of O. mykiss production in Poland is exported to Germany (FAO, 2012; Varadi et al. Molecular Ecology, 11:1039-1055. De forme allongée, le silure glane possède une peau brun-olive à noir avec le dessous du ventre plus jaune et de longs barbillons aux nombres de 6. Journal of Ichthyology, 18:457-468, Simoens I, Breine JJ, Verreycken H, Belpaire C, 2002. Výzkumný Ústav Rybárský a Hydrobiologický Vodnany, 29:3-9. of coldest month > 0°C and < 18°C, mean warmest month > 10°C, Cf - Warm temperate climate, wet all year, Warm average temp. Silure glane. In: De Pauw, N., Jaspers, E., Ackefors, H., Wilkins, N, eds. Larval and juvenile stages of introduced fish are most susceptible to predation due to small size (Gozlan et al. Consumption of food sources is related to gape size with the larger catfish >120 cm in length consuming aquatic wildfowl and mammals in comparison to smaller counterparts of <30 cm feeding on invertebrates and molluscs. Information on specific control measures for S. glanis is limited. On compte aujourd'hui 14 espèces identifiées de silures (genre Silurus) dont la plus connue est le silure glane. Linolenic acid supplementation in the diet of European catfish (Silurus glanis): effect on growth and fatty acid composition. In the UK, the government has developed an environmental risk strategy including risk identification, risk assessment, risk management and risk review and reporting. Their eyes are small and they rely on their barbels and olfactory cavities to sense their prey and environment rather than vision. Eggs are protected by mucous and stickiness. Martino A, Syväranta J, Crivelli A, Cereghino R, Santoul F, 2011. Options including draining of lakes, application of rotenone, capture of fish by fyke and seine netting, and electrofishing should be all reviewed in control management and risk assessment plans (Britton et al., 2009). Le silure occupe les eaux calmes profondes et turbides des cours d’eau et plans d’eau de plaine. The potential risk of hybridization with native species is likely to be limited to native Silurus species, such as the native congener S. aristotelis in Greece. [Cefas Science Technical Report No. Towards the successful control of the invasive Pseudorasbora parva in the UK. Larvae and juveniles are benthic feeders of invertebrate zooplankton such as Rotatoria, Copepoda and Cladocera. Le silure glane est un poisson d'eau douce originaire des pays de l'Est et notamment du Danube. (2005) gave S. glanis an intermediate mean risk score (21.5 out of 54 possible points). Il s'alimente assez peu en dessous de 15 degrés, ce qui conditionne sa répartition. Foraging is an important aspect of growth and Muscalu et al. Is European catfish a threat to eels in southern France? Species and size selectivity of European cat-fish (Silurus glanis) to natural food when reared in aquarium to one month of age. Gillnet selectivity and its relationship with body shape for 8 freshwater species. l'introduction du silure par l'homme soit à la fois attestée et ait réussi ; le record local est un individu de 75 kg pris au filet record taille silure russie en 1882 (SCHMID, 1996). http://www.fishbase.org, Gozlan RE, Flower CJ, Pinder AC, 2003. There is potential for dispersal during hydrological events (Slavik et al., 2007). Alimentation . S. glanis is a robust species regarding transference outside its native range, and exhibits tolerance to low oxygen levels in water. There are reports of escapes from aquaculture and recreational fisheries, for example in France where it escaped into the River Doubs in about 1890 (Valadou, 2007). La majeur partie de ce pangasius est produit dans 23 milles carrés d’étangs à travers neuf provinces du delta du Mékong – un habitat d’eau douce d’importance critique. European catfish S. glanis early feeding with four starters and zooplankton. Conservation entre + 0 et + 2° C : D L C 3 jours à réception. Journal of Fish Biology, 63:131-143. However, consideration must be given to the economic costs that are likely to arise from management control policies with the removal of S. glanis from unlicensed waters; monitoring, removal costs and challenges in recapturing demersal species. The mitochondrial genome has 16,526 base pairs containing 37 genes, of which 13 genes are for protein synthesis, 22 tRNAs and 2rRNAs, and a control region which functions in the same way as other vertebrate mtDNAs. The flattened snout with spaced apart nostrils and long barbels on either side of the upper jaw, and 4 shorter barbels on the lower jaw, indicate that S. glanis sense their prey by highly sensitive chemical and olfactory sensors on their barbels and nostrils rather than by vision, as their eyes are small; this can be related to their benthic habitat ecology (Copp et al., 2009). (Zuchtmöglichkeiten des Welses in Teichen in Polen.) Concerns about accidental unregulated spread (flooding enabling spread from angling waters to watercourses and rivers) and intentional unregulated releases (for angling) imply that S. glanis introductions need to be investigated, particularly as angling and dispersal are cited as the main introduction routes for introduced fish in the UK ( Copp et al. Males mature earlier than females, with mass maturation at 3-4 yrs, 57-66 cm and 1.3-2.3 kg, in contrast to females that mature at 4 yrs at minimum length 87.05 cm (Alp et al., 2004; Froese and Pauly, 2012). Deliberate introductions have also been followed by accidental escape and dispersal to other waters, as has been reported by Boeseman (1975) in the Netherlands, where it was introduced from Hungary. Age and growth of the European catfish (Silurus glanis) in a Turkish Reservoir and comparison with introduced populations. River Thames, River Great Ouse, where its presence is yet to be proved (Copp et al., 2007). They have a tiny dorsal fin made up of a single spine and 4-5 dorsal soft rays, one anal spine, 83-95 soft anal rays and a caudal fin of 17 soft rays (Froese and Pauly, 2012). danger : le silure glane (Silurus glanis). Removal of wels catfish from unlicensed lakes appears to be a priority for the Environment Agency in England and Wales, although how successful these measures are in practice has yet to be ascertained. Dokuchaeva, S. I., 2011. (2002) report that in Lake Schulen in Flanders (Belgium), large wels catfish which had been illegally introduced by anglers had successfully reproduced. S. glanis is listed as Least Concern (LC) in the IUCN Red List of Threatened Species (http://www.iucnredlist.org/). The risks to native species are through disease and parasite transmission, competition for benthic habitats and predation. The larvae live in the nest until the yolk sac is absorbed. 2011; Cucherousset et al. (Ucinkovitost dodatka polizyma na rast somovskog mlada (Silurus glanis) u kaveznom uzgoju). Homogenization dynamics and introduction routes of invasive freshwater fish in the Iberian Peninsula. Le silure glane. Il fraye en couple puis la femelle pond une grande quantité d'œufs dans un nid qu'elle a préparé et sur lequel le mâle veille jalousement. Genetic structure and phylogeography of European catfish (Silurus glanis) populations. To protect species or infer their invasiveness potential, it is necessary to understand the origin, genetic diversity and migration patterns. Congélation possible à réception. Please consider upgrading your browser to the latest version or installing a new browser. The skin can be used in glue and leather manufacture. Acta Ichthyologica et Piscatoria, 27(1), 41-50. S. glanis is also used in parts of Europe for aquaculture. Silure glane Poissons / Ostariophysien . Pisciculture Francaise, No. Acta Ichthyologica et Piscatoria, 26(1), 93-101. Erik Truffaz Quarte ; Gites de groupe de 16 à 24 couchages en Franc ; Eco-habitat : petites annonces courtes et gratuites - page 1 ; Actualités Commune de Saint-Priva ; Accueil - Produits de la me ; populaire: Cathédrale strasbourg horloge. (2002), S. glanis has been farmed historically in Austria, Bulgaria, Croatia, Germany, France, Hungary, Greece, Macedonia, Poland, the Czech Republic and Romania. Le plus grand poisson d'eau douce de Wallonie . Science (Washington), 290(5491), 516-518. doi: 10.1126/science.290.5491.516, Hickley P, Chare S, 2004. River Hampshire Avon assessment of risk posed by S. glanis. Zhivotnov'dni Nauki, 37(5/6), 14-18. Proceedings of the National Academy of Sciences of Belarus., Agrarian Science Series: 2:75-86. According to Linhart et al. It and Sander lucioperca are predatory fish that are traditionally reared to control wild forage fish dispersed during seasonal pond flooding that may be interspecific competitors with cyprinids (Bokor et al. Effect of polizyme additive on the growth of catfish (Silurus glanis) fry in cage breeding. Activity peaks during the night, with nocturnal foraging motivated by hunger stimuli. Females deposit eggs at 30,000 per kg of body weight. http://www.fishbase.org. Evaluation of selected feeds differing in dietary lipids levels in feeding juveniles of wels catfish, Silurus glanis L. Acta Ichthyologica et Piscatoria, 38(2), 91-96. doi: 10.3750/AIP2008.38.2.02, Muscalu, R., Muscalu, C., Nagy, M., Bura, M., Szelei, Z. T., 2010. 2009). Freshwater Biology, 55(5):1130-1141. http://www3.interscience.wiley.com/cgi-bin/fulltext/123349915/HTMLSTART, Britton JR, Pegg J, 2007. Natural predators of S. glanis include otters (Lutra lutra), cormorants and waders, and other predatory fish such as pike (Esox lucius) and zander (Sander lucioperca). (2010) revealed that water temperatures <17ºC marked a cessation in foraging activity and growth, which indicates thermal ecological sensitivity of S. glanis of particular relevance in northern habitats. Des légendes évoquent des specimen atteignant les 5 m ou engloutissant des enfants. Effects of the dietary protein and lipid levels on growth and body composition of bagrid catfish, Pseudobagrus fulvidraco. Silurus glanis (wels catfish); line caught adult. Aquaculture - a gateway for exotic species. In Spain, wels catfish have become a dominant predatory fish in the Ebro river basins, where establishment is likely to have been aided by the relatively warm water temperatures experienced in the region. Gullu, K., Guner, Y., Koru, E., TenekecIoglu, E., Sayg, H., 2008. Its greater production in Bulgaria has been suggested (Hadjinikolova et al., 2010). 2011; Syväranta et al. Archiwum Rybactwa Polskiego, 6(1), 97-106. Risk of establishment increases in warmer climates such as the Mediterranean as rapid growth and breeding are enhanced by warmer temperatures of 25-28ºC in contrast to likelihood of more sporadic establishment in Northern climates. More information about modern web browsers can be found at http://browsehappy.com/. Description : Le corps du silure glane est long et puissant ressemblant à celui du poisson chat. Fundamental and Applied Limnology, 174:317-328, Carol J, Garcia-Berthou E, 2007. Testicles in males are a pair of glands in the dorsal main cavity, white when mature, but pink when developing (Shikhshabekov, 1978). Wels catfish can be distinguished from other European catfish by the 6 long barbels under the lower jaw, the scaleless mucous-coated elongated body and the very small dorsal fin (Britton et al., 2010). Preliminary studies of intensive wels catfish (Silurus glanis L.) and sturgeon (Acipenser sp.) Wels catfish is the largest fish of the order Siluriformes and can attain a maximum length of 500 cm, although it more commonly reaches 300 cm. Mareš, J., Wognarová, S., Spurný, P., 2003. The anatomy and location of fins and body shape of S. glanis indicate that this fish is a demersal species, with a powerful pair of pectoral fins that is positioned behind the gills at the base of the ventral fins, small pelvic fins situated by the anal vent and an elongated anal fin that is over 50% of its body length. In an initial invasiveness assessment, Copp et al. The introduction of S. glanis in angling clubs is likely to increase revenue to local communities and generate business. S. glanis is robust enough during transport (even in minimal water and over considerable distances) to be translocated to areas outside its native geographical range (Copp et al., 2009). Il est originaire d'Europe centrale (Danube, Dniepr et Volga). In: Subasinghe, R. P., Bueno, P. B., Phillips, M. J., Hough, C., McGladdery, S. E., Arthur, J. R., eds. SOIGNEUR D'UN JOUR / RENCONTRES AVEC LES SOIGNEURS, SPECTACLE D'OISEAUX EN VOL ET/OU FAUCONNERIE, Présence d’un hébergement sur le lieu. (La production de poissons en pisciculture en Roumanie.) 2010). S. glanis is in the lower range of the high risk score of FISK, although these scores are variable and likely to change in relation to the context of environmental factors affecting risk (Copp et al., 2005). (2003) reported that more than 50% of successful invasive fish species introduced into the UK exhibit parental care, where fish actively protect and guard their eggs or larvae and defend territories. (2009) present a table of at least 55 fish species found in the natural diet of S. glanis. Filipiak, J., Sadowski, J., Trzebiatowski, R., 1997. Data source for updated system data added to species habitat list. Elvira B, 2001. Élevage Extensif : France Dombes Nom Latin : Silurus Glanis Filet de Silure : 2 à 4 filets au kg, en colis de 3kgs, poisson fileté main, pauvre en arêtes. The diet of adult fish is known to include sunbleak (Leucaspius delineatus), ruffe (Gymnocephalus cernuus), roach (Rutilus rutilus), dace (Leuciscus leuciscus), common bream (Abramis brama), silver bream (Blicca bjoerkna), rudd (Scardinus erythrophthalmus), bitterling (Rhodeus sericeus), European eel (Anguilla anguilla), red swamp crayfish (Procambarus clarkii) and signal crayfish (Pacifastacus leniusculus). Maximum length is 500 cm (male), but common lengths are 300 cm, and weight 306 kg. Il reste la plupart du temps au fond et remonte très peu à la surface. 2012). Physiology & Behavior, 58(4):641-645, Boulêtreau, S., Cucherousset, J., Villéger, S., Masson, R., Santoul, F., 2011. Reviews in Fish Biology and Fisheries, 21(2), 283-294. http://www.springerlink.com/link.asp?id=100215 doi: 10.1007/s11160-010-9168-4, Bevacqua D, Andrello M, Melià P, Vincenzi S, Leo GA de, Crivelli AJ, 2011. FishBase. Body colour is variable but normally dark greenish-black with creamy yellow sides creating a mottled effect.They are solitary, predatory, opportunistic scavengers that hunt for stragglers (Boujard, 1995; Copp et al., 2009; Britton et al., 2010). In: Management and Ecology of Lake and Reservoir Fisheries [ed. (2002), S. glanis has been farmed historically in Austria, Bulgaria, Croatia, Germany, France, Hungary, Greece, Macedonia, Poland, the Czech Republic and Romania. A model of isolation by distance seems more probable and a hypothesis of recent dispersion from only one glacial refugium around the Ponto-Caspian region is proposed. The skin can be used in glue and leather manufacture. http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0050840 doi: 10.1371/journal.pone.0050840, Czarnecki, M., Andrzejewski, W., Mastynski, J., 2012. The ecological trophic effect of S. glanis is unclear; some authors consider that the species can decimate tench (Tinca tinca) populations while others are of the view that as they are to some extent scavengers, their predatory impact may be benign rather than intense (Copp et al., 2009). S. glanis has a broad omnivorous diet, including invertebrates and vertebrates such as small rodents. C'est un super prédateur des rivières, opportuniste, adaptable et capable d'apprentissage. Bangkok, Thailand and Rome, Italy: Network of Aquaculture Centres in AsiaPacific and FAO, Bangkok & FAO Rome, 397-416. https://enaca.org/?id=413, Vittas S, Drosopoulou E, Kappas I, Pantzartzi CN, Scouras ZG, 2011. Strasbourg, France: Convention on the Conservation of European Wildlife and Natural Habitats, 35 pp. Reproductive success in male sunbleak, a recent invasive fish species in the UK. The male guards the eggs for the next 2-10 days (time dependent on water temperature) and makes sure the eggs are well ventilated by repeatedly fanning his tail fin, until they hatch out (Copp et al., 2009). FishBase. Overall, the tipping point temperature indicator for growth among cultured S. glanis appeared to be >20ºC and at these temperatures fish can gain ~ 4kg within 2yrs, in contrast to depressed growth at lower temperatures (Gullu et al. Fish consumption is low in central and eastern European countries in comparison to western Europe, which may be related to economic factors including income, fisheries trading and distribution (fish is more expensive than meat in most eastern European countries). Eaux Libres, 38:19-21. Secondly, catfish are opportunistic foragers, able to switch their feeding to the most suitable resource available. Il apprécie les eaux chaudes pour se reproduire. Use of frozen zooplankton in the intense rearing of European catfish (Silurus glanis L.) larvae. La croissance du silure est maximale au-dessus de 25 degrés. Migration to European rivers including the Danube, Dnieper and Volga was via the Caspian, Black and Aral seas. Routes of introduction of S. glanis include recreational angling, aquaculture and also use as a biological control agent for cyprinid fish, with certain pathways being more frequent in some countries; for example, the species is predominantly farmed in aquaculture in Italy, Romania, Poland and the Netherlands, but used mainly to enhance recreational angling in the UK. Le silure glane aime les eaux chaudes, la température de son habitat doit faire au moins 20° C en été. S. glanis is native to eastern Europe and western Asia (Kinzelbach, 1992), but is now established in at least seven countries to the west and south of its native range (Elvira, 2001). A “do nothing” approach is advocated in low risk situations, whereas removal or containment are considered options in higher risk situations. 2003; Carol et al. Archiwum Rybactwa Polskiego, 11: 295-300, Valadou B, 2007. There are 100 species from 12 genera in the family. Le silure peut atteindre 2,60 m pour un poids de 100 kg (Individu de 2,11 m pêché en Meuse). Rome, Italy: Food and Agriculture Organization of the United Nations. Molecular Ecology, 8(11):1964-1966, Linhart O, Stech L, Svarc J, Rodina M, Audebert JP, Grecu J, Billard R, 2002. Density-dependent and inter-specific interactions affecting European eel settlement in freshwater habitats.