Cottus petiti

Abstract: General considerations regarding the decline of species.- Red lists.- Threatened freshwater fishes of Great Britain.- Scottish natural heritage and fish conservation in Scotland.- Endangered freshwater fish in Ireland.- Endangered freshwater fish: The situation in France.- Endangered freshwater fish of Spain.- The Red Data List of the freshwater lampreys (Cyclostomata) and fishes (Pisces) of Slovenia.- Threatened freshwater fish in Hungary.- Vanishing freshwater fish species of Slovakia.- The status of the fish fauna in the Czech Republic.- Endangered fishes of the River Morava (Czech Republic).- Species conservation: Ecology, taxonomy and genetics.- Long-term changes in the fish community of Neusiedler See (Burgenland, Austria).- Natural regeneration of endangered fish populations in the Pilica drainage basin after reducing human impacts.- Fish conservation in Switzerland - three case-studies.- The decline of the European sturgeon Acipenser sturio in the Baltic and North Sea.- Occurrence and distribution of twaite shad (Alosa fallax Lacepede) in the lower Elbe River, Germany.- Rehabilitation of salmon (Salmo salar L.) in Denmark state, objectives and methods.- The role of natural and artificial propagation on the genetic diversity of brown trout (Salmo trutta L.) of the upper Rhone drainage.- Cellulose acetate electrophoresis for screening transferrin polymorphism in brown trout (Salmo trutta L.) populations.- Decline and conservation of migrating brown trout (Salmo trutta f. lacustris L.) of Lake Constance.- The conservation ecology of Coregonus albula and C. lavaretus in England and Wales, UK.- Gonadal abnormalities in Coregonus peled Gmel. x Coregonus lavaretus L. hybrids, introduced into natural waters.- Threatened populations and conservation of the European grayling, Thymallus thymallus (L., 1758).- Reproduction and habitat preference of the threatened spirlin (Alburnoides bipunctatus Bloch) and soufie (Leuciscus souffia Risso) under laboratory conditions (Teleostei: Cyprinidae).- Distribution of YOY-barbel Barbus barbus (L.) in the River Sieg/Germany.- Drift, habitat choice and growth of the nase (Chondrostoma nasus, Cyprinidae) during early life stages.- Chondrostoma nasus - its reproduction strategy and possible reasons for a widely observed population decline - a review.- Contribution to the knowledge of the distribution and spawning grounds of Chondrostoma nasus and Chondrostoma toxostoma (Pisces, Cyprinidae) in Switzerland.- Spawning grounds of Chondrostoma soetta Bonaparte, 1840 (Cyprinidae) in Southern Switzerland.- The artificial propagation and culture of young weatherfish (Misgurnus fossilis L.).- Description of Knipowitschia punctatissima croatica, (Pisces: Gobiidae), a new freshwater goby from Dalmatia, Croatia.- The sculpin of the Lez spring (South France), Cottus petiti (Bacescu and Bacescu - Mester, 1964), one of the most threatened fish species in Europe.- Conservation of samaruc, Valencia hispanica (Valenciennes, 1846), (Pisces: Cyprinodontidae), an endemic and endangered species, in the community of Valencia (east Spain).- Workshop reports.- Workshop I: Faunistic surveys and vulnerability assessments.- Workshop II: Conservation of European mudminnow, Umbra krameri.- Workshop III: Management and rehabilitation of habitat of endangered fishes.