River stocking could save whitefish. Scientists in northern Michigan are still trying to figure out the best way to do it.

(Juveniles have barbels, but these features shrink as they age.) As babies, they feed on zooplankton in the river and are known to be cannibalistic. After about a year, they become herbivores ...

Zooplankton are one of the most diverse and abundant groups of organisms on Earth and they play an essential role in the marine food chain. Unable to photosynthesise, as phytoplankton do ...

The Minnesota Department of Natural Resources Aitkin Area Fisheries staff discovered spiny waterfleas in Lake Mille Lacs last week. The discovery of this invasive species is the first outside of ...

Rainy River, Lake of the Woods, Big Fork River, Black River and Littlefork River have been designated as infested with the spiny water flea An invasive species, the spiny water flea, is likely a ...

However, the role of DOC in supporting zooplankton production is widely debated. To evaluate this role we performed an in situ mesocosm experiment in the Bega River estuary, Australia. We added a DOC ...