| contaminant concentrations in asian carps, invasive species in the mississippi and illinois rivers. | populations of invasive fishes quickly reach extremely high biomass. before control methods can be applied, however, an understanding of the contaminant loads of these invaders carry is needed. we investigated differences in concentrations of selected elements in two invasive carp species as a function of sampling site, fish species, length and trophic differences using stable isotopes (delta (15)n, delta (13)c). fish were collected from three different sites, the illinois river near havana, ill ... | 2009 | 18850294 |
| validation of edna surveillance sensitivity for detection of asian carps in controlled and field experiments. | in many north american rivers, populations of multiple species of non-native cyprinid fishes are present, including black carp (mylpharyngodon piceus), grass carp (ctenopharyngodon idella), bighead carp (hypophthalmichthys nobilis), silver carp (hypophthalmichthys molitrix), common carp (cyprinus carpio), and goldfish (carassius auratus). all six of these species are found in the mississippi river basin and tracking their invasion has proven difficult, particularly where abundance is low. knowle ... | 2013 | 23472178 |
| confocal microscopy as a useful approach to describe gill rakers of asian species of carp and native filter-feeding fishes of the upper mississippi river system. | to better understand potential diet overlap among exotic asian species of carp and native species of filter-feeding fishes of the upper mississippi river system, microscopy was used to document morphological differences in the gill rakers. analysing samples first with light microscopy and subsequently with confocal microscopy, the three-dimensional structure of gill rakers in hypophthalmichthys molitrix, hypophthalmichthys nobilis and dorosoma cepedianum was more thoroughly described and illustr ... | 2014 | 25141916 |
| diagnostic snps reveal widespread introgressive hybridization between introduced bighead and silver carp in the mississippi river basin. | hybridization among conspecifics in native and introduced habitats has important implications for biological invasions in new ecosystems. bighead (hypophthalmichthys nobilis) and silver carp (h. molitrix) are genetically isolated and occur in sympatry within their native range. following their introduction to north america, however, introgressant hybrids have been reported throughout their expanded range within the mississippi river basin (mrb). the extent of introgression, both spatially and ge ... | 2015 | 26096550 |
| elements of concern in fillets of bighead and silver carp from the illinois river, illinois. | efforts to control invasive bighead (hypophthalmichthys nobilis) and silver carp (h. molitrix) may include harvest for human consumption. we measured concentrations of arsenic (as), mercury (hg), and selenium (se) in fillets from silver and bighead carp collected from the lower illinois river, illinois, usa, to determine whether concentrations were of health concern and differed by species, size, and location. concentrations of total as were below detection limits in most bighead (92%) and silve ... | 2014 | 24300421 |
| restriction site-associated dna sequencing generates high-quality single nucleotide polymorphisms for assessing hybridization between bighead and silver carp in the united states and china. | bighead carp (hypophthalmichthys nobilis) and silver carp (h. molitrix) are invasive species and listed as us federally injurious species under the lacy act. they have established populations in much of the mississippi river basin (mrb; mississippi, illinois, and missouri rivers) and are capable of producing fertile hybrids and complex introgression. characterizing the composition of this admixture requires a large set of high-quality, evolutionarily conserved, diagnostic genetic markers to aid ... | 2014 | 23957862 |