Freshwater fish diversity pdf file

Global functional diversity of freshwater fish is concentrated in the. About 25 of these families contain commercially important species. There is no proper documentation on freshwater fish resources of india. Pdf global diversity of fish pisces in freshwater researchgate. There are currently about 5160 freshwater fish species, and the estimate for the freshwater fish fauna alone points to a final diversity between 8000 and 9000 species. Fish diversity in freshwater perennial water bodies in east. About 28900 species were listed in fishbase in 2005, but some experts feel.

Organizations would be the key tools for conservation of freshwater fish biodiversity. Neltjeberg had 7 species of native shrimp and fish, compared to 5 in dorothea and 4 in turpentine run. Surveys of the freshwater fish diversity of the solomon. Epa260r08016 november 2008 an introduction to freshwater fishes as biological indicators prepared by. Global determinants of freshwater and marine fish genetic. The freshwater fish marketing corporation ffmc is a federal crown corporation established in 1969 under the freshwater fish marketing act ffma, for the purpose of marketing and trading in fish, fish products, and fish byproducts in and outside canada. Islands have recorded 89 species from 35 families d. Freshwater fish diversity information system as a basis for. This study presents a regional assessment of protection and. They mainly identified three major forces driving extinction which are. Information on the status of freshwater fish diversity remains insufficient and still uncertain on how many species of fish available in malaysia.

Biju kumar the bighead carp and silver carp, which were not native to this lake were introduced to feed on the plankton. The diversity and distribution of freshwater fish also was affected by abiotic components which includes chemical and physical parameters. Many of them have been lost forever few studies have been carried out so far regarding this aspect. Conservation of freshwater fishes edited by gerard p. Conclusion there is a rich diversity of fish in maharashtra which suggests that a major part of this is threatened by human activities. They hatch in fresh water, head out to sea, where they live until they return to fresh water to reproduce. Pdf diversity and distribution of fish fauna of indus.

Abstract the precise number of extant fish spe cies remains to be determined. This reflects the productivity, physiographic diversity and geographical isolation of freshwater habitats ormerod, 2003. Evolutionary and environmental determinants of freshwater fish thermal tolerance and plasticity. Freshwater fish diversity information system as a basis for sustainable fishery sabuj kumar chaudhuri srf ugc net, department of library and information science, jadavpur university, kolkata32 abstract our freshwater fish diversity is poorly studied. Worldwide biodiversity assessments have mainly focused on species richness but little is known about the diversity of species roles, i. Freshwater habitats in a highly developed watershed contained more nonnative fish species guppies and tilapia compared to those with low to moderate levels of development. In total 34,782 and 15,806 sequences were retrieved for marine and freshwater fish species, respectively, and. A database of freshwater fish species of the amazon basin. Here, freshwater fish species occur at one per 15 km. Pdf our freshwater fish diversity is poorly studied.

Such changes could affect the distribution and abundance of freshwater fish altogether ficke et al. Freshwater fish diversity information system as a basis. Altogether, 62 species of fish representing 48 genera and 24 families were. Fish fauna and distribution is useful for designing and implementing conservation strategies, to make fishermen. An introduction to freshwater fishes as biological indicators. Diversity of freshwater fish and crustaceans of st. Pdf freshwater fish diversity information system as a basis for. Pdf the precise number of extant fish species remains to be determined. The state of world fisheries and aquaculture sofia, available in.