Assessment of dreissenid biodeposits as a potential food resource for invasive Asian carp
December 22, 2016
Silver carp (Hypophthalmichthys molitrix) and bighead carp (H. nobilis) are poised to invade the Laurentian Great Lakes. Zebra mussels (Dreissena polymorpha) and quagga mussels (D. rostriformis bugensis) have shifted nutrient pathways towards the benthos, partly through deposition of feces and rejected food particles called biodeposits. When biodeposit material was fed to bighead and silver carp, they fed on the material, but on average lost weight. Energy density between fed and unfed fish did not differ, but a few individual fish did gain weight on the biodeposits diet. Our results demonstrate that biodeposits might be considered a supplemental food for bigheaded carps.
Citation Information
Publication Year | 2016 |
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Title | Assessment of dreissenid biodeposits as a potential food resource for invasive Asian carp |
DOI | 10.3391/bir.2016.5.4.10 |
Authors | Karl R. Anderson, Duane Chapman, Cari-Ann Hayer |
Publication Type | Article |
Publication Subtype | Journal Article |
Series Title | BioInvasions Records |
Index ID | 70179219 |
Record Source | USGS Publications Warehouse |
USGS Organization | Columbia Environmental Research Center |